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Weather History

April 26 to May 2: This week in Denver weather history

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This Week in Denver Weather History

This week in Denver weather history shows the extremely wide variety of conditions we can have this year. From major snow storms to hail dropping thunderstorms, we can see it all.

From the National Weather Service:

24-26

In 1924…post-frontal rain changed to snow… Which became heavy and totaled 10.2 inches over downtown Denver. The greatest amount of snow on the ground was 6.0 inches on the 25th due to melting. North winds were sustained to 38 mph with gusts to 42 mph on the 24th.

25-26

In 1985…a spring storm brought much rain and snow to metro Denver. The foothills were buried with 15 inches of snow at Conifer and 12 inches at Evergreen. At lower elevations… An inch or more of rain fell in Denver and Boulder. The heavy precipitation caused brief power outages in the Denver area. Precipitation totaled 1.06 inches at Stapleton International Airport…including only 0.7 inch of snowfall.

25-27

In 1877…snow ended around 7:00 am on the morning of the 27th… After falling continuously for 48 hours and totaling an estimated 13 inches in the city. The storm…likely accompanied by strong winds…caused trains to be delayed for 2 to 3 days. One or two roofs of small buildings were crushed by the weight of the snow…and many tree branches were broken in the city. There were a number of reports of livestock losses. One stockman lost 17 horses and several cattle from the snow and cold. Precipitation totaled 1.30 inches from the storm.

26

In 1965…while only 0.40 inch of rain fell at Stapleton International Airport…some communities in the foothills west of Denver reported over 30 inches of snow from the storm.

In 1972…a spring snow storm accompanied by thunder dumped 15.8 inches of heavy wet snow on metro Denver. Strong northwest winds gusting to 35 mph produced blowing snow. The storm was quite intense and greatly hampered travel. High winds caused drifts 10 to 15 feet deep in some areas… Blocking roads and stranding hundreds of motorists. An estimated 500 to 600 people were stranded in the Castle Rock area. Rescue service was provided by heavy army equipment from Fort Carson. Power lines were downed…power poles were toppled…and a number of steel towers carrying high voltage power lines were downed. Some areas northeast of Denver were without power for a week. A large number of cattle and sheep were killed by the storm. The greatest snow depth on the ground at Stapleton International Airport was 12 inches. Warm temperatures following the storm quickly melted the snow.

In 1995…the third major snow storm of the month dumped heavy snow in and near the Front Range foothills. Six to 12 inches of heavy wet snow fell in the western metro suburbs with the heaviest amounts above 6 thousand feet. Both Boulder and Golden measured 10 inches of snow. Only 2.4 inches of snowfall were measured at the site of the former Stapleton International Airport. North winds gusted 28 mph at Denver International Airport.

In 1998…the last in a series of April storms blanketed the foothills with heavy snow. Snowfall amounts included: 17 inches near Blackhawk…15 inches at Idaho Springs… 14 inches at Georgetown…11 inches near Conifer and Morrison. Only a trace of snow fell at the site of the former Stapleton International Airport. North winds gusted to 28 mph at Denver International Airport.

26-27

In 1906…rain changed to heavy snow overnight and totaled 7.0 inches over downtown Denver. North winds were sustained to 16 mph on both days. Precipitation totaled 2.16 inches.

In 1932…the temperature remained below freezing for more than 30 consecutive hours. For about 4 of those hours the temperature hovered around 24 to 25 degrees. At this time some early cherry trees were in bloom and apple and lilac blossoms were beginning to open. The leaves of many plants were partly unfurled and vegetation in general was correspondingly advanced due to the warm weather from the 11th to the 22nd. However…there was little apparent injury to foliage and blossoms…but some of the early cherry and apple blossoms were injured. Rain changed to snow on the 26th and continued intermittently through the 27th. Snowfall totaled only 2.0 inches and northeast winds gusted to 22 mph on the 26th.

In 1964…strong winds caused damage to buildings…trees… And power lines. Sustained winds of 37 mph with gusts of 50 to 60 mph were recorded in metro Denver. West-northwest winds gusted to 44 mph at Stapleton International Airport on the 26th.

27

In 1955…west winds at 43 mph with gusts as high as 55 mph were recorded at Stapleton Airport where blowing dust briefly reduced the visibility to 3/8 mile.

In 1966…a northwest wind gust to 51 mph was recorded at Stapleton International Airport.

27-28

In 1919…rainfall totaled 2.03 inches for the two days… Along with a trace of snowfall. Northwest winds were sustained to 24 mph with gusts to 26 mph on the 27th.

In 1975…high winds gusting to 85 mph severely damaged a mobile home in Boulder and caused other minor damage. West winds gusted to 46 mph at Stapleton International Airport on the 28th.

In 1996…heavy snow fell over portions of the Front Range foothills west of Denver. Snowfall amounts ranged from 4 to 7 inches. Only 0.3 inch of snow fell at the site of the former Stapleton International Airport. North winds gusted to 41 mph at Denver International Airport on the 27th.

28

In 1894…southwest winds were sustained to 35 mph with gusts as high as 60 mph.

In 1896…apparent post-frontal bora winds from the northwest were sustained to 43 mph with gusts as high as 56 mph. Rainfall totaled 0.22 inch.

In 1990…high winds raked the northeastern plains and eastern foothills from Boulder north. Wind gusts to 70 mph were recorded in Boulder. West winds gusted to 41 mph at Stapleton International Airport.

In 2001…a 21-year-old man was struck by lightning along the shoulder of I-225 near Parker road. His brother`s car had broken down and he stopped to help. The bolt briefly stopped the man`s heart and caused the right side of his body to go numb.

In 2003…severe thunderstorms produced large hail across southern metro Denver. Hail to 1 3/4 inches in diameter fell in Englewood and 2 miles east of Centennial Airport. Hail as large as 1 1/2 inches in diameter fell in Aurora near Cherry Creek. Other large hail reports included 1 inch hail near Bennett…and 7/8 inch hail in greenwood village and at Centennial Airport.

28-29

In 1950…snowfall totaled 6.3 inches at Stapleton Airport…but only 3.5 inches over downtown Denver.

In 1960…heavy snow fell at Stapleton Airport where 8.6 inches of snow were measured. North winds gusted to 38 mph. Most of the snow…6.9 inches… Fell on the 29th.

In 2017…a late spring storm brought heavy snow to areas in and near the Front Range Foothills and Palmer Divide. Storm totals included: 25 inches near Genesee…19 inches at Evergreen…18 inches near Nederland…16.5 inches near Idledale…16 inches near Pinecliffe…15 inches at Kittredge…14 inches at Ken Caryl and near Roxborough State Park…12.5 inches near Elizabeth…12 inches in Eldorado Springs…11 inches near Brookvale and 12 miles northwest of Golden…with 10.5 inches at Lone Tree. Heavier snow occurred over the western and southern suburbs of Denver. Storm totals included: 10 inches in Littleton…8 inches at Centennial…3 miles southeast of Denver and near Greenwood Village…7 inches near Wheat Ridge…6 inches in Arvada and Castle Pines…with 5 inches in Boulder. Across the northern part of Denver…lesser amounts of 1 to 4 inches were reported. At Denver International Airport…2.4 inches of snowfall was observed.

29

In 1898…apparent thunderstorm winds were sustained from the southwest to 58 mph with gusts to 66 mph.

In 1909…north winds were sustained to 44 mph behind an apparent cold front. These were the strongest measured winds of the month that year.

In 1962…heavy snowfall totaled 6.4 inches at Stapleton Airport where northeast winds gusted to only 17 mph. Snow fell all day…but the most on the ground was only 1 inch due to melting.

In 1991…two men were struck by lightning while golfing in cherry hills just south of Denver. The two received only minor burns. Shortly afterward…lightning struck a home in Cherry Hills Village several times…leaving numerous holes in the roof. No injuries were reported.

In 1993…localized strong winds occurred at Jefferson County Airport near Broomfield where gusts to 63 mph were recorded. The strong winds were the result of a probable microburst.

In 2000…several severe thunderstorms producing large hail and destructive winds rumbled across northern metro Denver. Thunderstorm wind gusts reached 81 mph near Hudson with hail as large as 3/4 inch in diameter at Longmont. Several homes and vehicles sustained damage. The strong winds uprooted trees and downed utility poles…causing scattered outages. Lightning sparked a house fire in Boulder. The fire damaged a portion of the roof and a bedroom on the third floor. Thunderstorm winds gusted to 53 mph at Denver International Airport.

In 2003…lightning struck a chimney at a residence in Hiwan in Evergreen…sending stones flying as far as 150 feet. Electrical equipment in some nearby homes also failed. Damage to the residence…in addition to electrical equipment…was estimated at 100 thousand dollars. Severe thunderstorms produced large hail to 1 inch in diameter near Hudson and Sedalia and to 3/4 inch near Parker. Hail as large as 1 3/4 inches was measured 9 miles north of Sedalia.

In 2014…high winds occurred east of interstate 25. Peak wind gusts included: 71 mph just north of Strasburg; 68 mph at Denver International Airport; 62 mph near Elizabeth; 58 mph at Front Range airport in Watkins and 11 miles east of Parker.

29-30

In 1964…several weeks of dry weather and windy conditions across the Great Plains to the east caused noticeable suspended dust to invade metro Denver. At Stapleton International Airport east winds gusted to 28 mph and visibility was reduced to 5 miles.

In 1989…a late season snowstorm dropped 2 to 4 inches of snow across metro Denver with 6 to 12 inches in the foothills. Snowfall totaled 3.9 inches at Stapleton International Airport where northeast winds gusted to 23 mph and the greatest snow depth on the ground was 2 inches due to melting.

In 1991…a pacific storm dumped heavy wet snow across metro Denver. The foothills were hit the hardest where snowfall amounts ranged from 16 inches at Evergreen to 5 inches at Idaho Springs. Lower elevations of metro Denver received 5 to 9 inches of snowfall with 5 inches in Boulder and 7.0 inches at Stapleton International Airport where northeast winds gusted to 25 mph. The weight of the snow caused power lines to fall and tree limbs to snap…producing power outages in parts of Denver…Aurora… And Westminster.

In 1999…heavy snow fell overnight in the foothills above 7500 feet elevation. Snowfall totals included: 13 inches near Rollinsville…10 inches near Evergreen… 8 inches at Blackhawk and Nederland…and 7 inches at Conifer. Only rain fell across the city with 2.13 inches recorded at Denver International Airport.

Continue reading April 26 to May 2: This week in Denver weather history →

Weather History

April 19 to April 25: This week in Denver weather history

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This Week in Denver Weather History

This week in Denver weather history is one to truly showcase the incredible variety of weather Colorado can receive. Major snow storms, high winds, warm temperatures in the 80’s and even three reports of tornadoes – one near Thornton 21 years ago – have all been seen this time of year.

From the National Weather Service:

17-19

In 1920…snow fell across the city continuously for 57 hours… From the early morning of the 17th until 11:40 am on the 19th. The heavy wet snowfall totaled 18.2 inches with the greatest accumulation on the ground of 12 inches. Winds during the storm were strong with sustained speeds in excess of 27 mph for over 40 consecutive hours…which created near-blizzard conditions. The highest recorded wind speeds were 44 mph with gusts to 50 mph from the north on the 17th and 39 mph with gusts to 48 mph from the northwest on the 18th. The strong winds piled the snow into high drifts which stopped all Denver traffic. Railroads were blocked with only one train entering the city on the 19th. All interurban trains were blocked…as were the 13 trolley lines. Thus…many workers were unable to get home at night and filled all of the downtown hotels to capacity. No grocery or fuel deliveries were possible… Except milk and coal to hospitals and to families with babies. No lives were lost in the city…but several people perished in surrounding districts. Stock losses were heavy on the plains. Temperatures during the storm were in the 20`s.

18-19

In 1884…a major storm dumped 13.8 inches of snowfall on downtown Denver. Most of the snow…10.0 inches… Fell on the 18th. Light rain on the early morning of the 18th changed to heavy snow at 8:00 am and became light after 2:00 pm but continued until 4:00 am on the 19th. The snow melted nearly as fast as it fell. There were only 3 inches on the ground early on the morning of the 19th.

In 1941…heavy snowfall totaled 8.4 inches over downtown Denver. Northeast winds were sustained to 17 mph.

In 1993…sporadic high winds occurred across metro Denver. Significant wind gusts included 97 mph at Rollinsville… 80 mph in southwest Boulder…and 55 mph at Stapleton International Airport. The strong winds snapped a pine tree top…about 15 feet long and 8 inches in diameter… Which crashed through the roof of a church in Evergreen…causing one thousand dollars in damage. Wind gusts of 50 to 60 mph caused structural damage to 3 homes under construction in Broomfield. Northwest winds gusted to 55 mph at Stapleton International Airport.

In 1995…the second spring storm of the month dumped heavy snow in the foothills. The upslope flow along with areas of thunder snow dropped 6 to 12 inches of snow in the foothills west of Denver and Boulder. Snowfall totaled 4.6 inches at the site of the former Stapleton International Airport…but most of the snow melted as it fell. East winds gusted to 29 mph at Denver International Airport on the 18th.

18-20

In 1966…sub-freezing temperatures caused thousands of dollars in damage to fruit trees across metro Denver. Minimum temperatures were in the teens each morning and failed to reach above freezing on the 19th. The low temperature of 13 on the 20th set a new record minimum for the date. Snowfall totaled 5.7 inches at Stapleton International Airport during the period.

19

In 1899…northwest winds were sustained to 48 mph with gusts as high as 60 mph in the city.

In 1941…the last snow of the season…0.4 inch…occurred… Marking the end of the shortest snow season…167 days. The first snow of the season…a trace… Occurred on November 4…1940.

In 1954…strong gusty winds raked metro Denver for most of the day producing some blowing dust. At midday…a severe dust devil was sighted in the Westwood area of southwest Denver.

In 1955…cold west winds at 52 mph with gusts as high as 69 mph were recorded at Stapleton Airport where blowing dust reduced the visibility to 1/2 mile.

In 1960…the second wind storm in 3 days produced sustained west winds up to 44 mph with gusts as high as 58 mph at Stapleton Airport. Winds were strong and gusty most of the day…but no damage was reported.

In 1963…the second windy day in a row produced west- northwest wind gusts to 52 mph at Stapleton Airport.

In 1971…a tornado occurred in the southwest corner of Weld County about 10 miles west-northwest of Brighton. The storm moved through a farm yard damaging equipment and structures. The strong tornadic winds lifted a stock tank over 2 fences into a corral 150 feet away. Later…a tornado touched down briefly west-southwest of Buckley Field…8 miles southeast of Stapleton International Airport. No damage was reported.

In 1985…high winds occurred in the foothills. Winds gusted to 97 mph atop Squaw Mountain in the foothills west of Denver. West winds gusted to 37 mph at Stapleton International Airport.

In 1987…a powerful cold front produced high winds and engulfed metro Denver in huge clouds of blowing dust that lowered the visibility to as little as 100 yards. The cold front generated winds as high as 72 mph at Brighton…67 mph in Thornton…and 54 mph at Stapleton International Airport. Winds of 50 to 70 mph were common along the Front Range from Denver north. The high wind gusts flipped a light plane taxiing at Stapleton International Airport…slightly injuring two people on board. The cold front dropped the temperature from a high of 80 degrees at 3:00 pm to a low of 33 degrees at midnight. Nearly an inch of snow…0.8 inch… Fell at Stapleton International Airport before midnight.

In 1988…a tornado touched down in Fort Lupton… Following a path 50 to 75 yards wide for 2 1/2 blocks. The twister damaged roofs on 2 schools and broke numerous windows; about 10 houses were damaged and several cars had windows blown out. Several trees were downed.

In 1989…winds were clocked to 68 mph in Wheat Ridge. Microburst winds gusted to 35 mph at Stapleton International Airport.

In 1996…high winds gusting from 70 to near 100 mph developed in the Front Range foothills and adjacent plains. Numerous power outages were reported as power lines and poles were downed. The high winds blew the chimney off the roof of a house in Westminster. Numerous homes received minor shingle damage. Some of the stronger wind gusts included: 98 mph at Jefferson County Airport in Broomfield…91 mph atop Squaw Mountain west of Denver…and 75 mph atop Table Mesa near Boulder. West northwest winds gusted to 45 mph at Denver International Airport.

In 2001…westerly Chinook winds… Gusting as high as 40 mph at Denver International Airport…prevented the low temperature from dropping below 51 degrees…setting a new record high minimum for the date. The high temperature of 77 degrees was not a record.

In 2005…severe thunderstorms produced large hail across metro Denver. Hail as large as 1 1/4 inches in diameter was measured in Arvada. Hail to 1 inch in diameter fell in Westminster…Northglenn… And Thornton. Hail to 7/8 inch was reported near Brighton…Barr Lake… And Castle Rock. Hail to 3/4 inch fell in Elizabeth and Broomfield and near Golden…Brighton… And Fort Lupton.

19-20

In 1892…rain on the 18th changed to snow on the 19th and totaled 6.0 inches over downtown Denver into the 20th. Total precipitation was 1.56 inches. North winds were sustained to 26 mph on the 19th.

In 1907…a major storm dumped 18.0 inches of snowfall in downtown Denver. Much of the heavy wet snow melted as it fell. The most snow on the ground was 7.0 inches at 6:00 pm on the 19th. North to northeast winds were sustained to 42 mph on the 19th and to 21 mph on the 20th. High temperatures were in the low to mid 30`s with low readings around 20.

Continue reading April 19 to April 25: This week in Denver weather history →

Weather History

April 12 to April 18: This week in Denver weather history

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This Week in Denver Weather History

A look back at this week in Denver weather history shows quite the variety of weather conditions.  We have seen everything from high winds and snowstorms to hail, thunderstorms and sub-freezing temperatures.

From the National Weather Service:

7-12

In 1959…snow falling over a 5-day period totaled 20 to 30 inches just east of the mountains…while over the plains blizzard conditions closed schools and blocked highways. The second big storm in two weeks dumped 16.4 inches of snowfall on Stapleton Airport with the most…11.6 inches… Occurring on the 8th. East winds gusted to 37 mph on the 9th. Temperatures dipped into the single digits on the mornings of the 7th and 12th when 7 degrees were registered. The cold temperatures caused streets to glaze with ice…resulting in the death of a pedestrian who was struck by a car in Denver. Three people died from heart attacks while shoveling the heavy…wet snow.

9-12

In 1901…rain changed to snow and totaled 10.8 inches in downtown Denver over the 4 days. Northeast winds were sustained to 28 mph with gusts to 31 mph on the 11th. Temperatures hovered in the 30`s.

10-12

In 1997…a pacific storm produced heavy snow on the 10th and the 11th in and near the foothills with 6 to 8 inches at Louisville and turkey creek canyon…5 inches at Morrison… And only 3.5 inches at the site of the former Stapleton International Airport. Northeast winds gusted to 24 mph at Denver International Airport. The storm also brought unseasonably cold weather with 5 new temperature records equaled or broken. Record low temperatures of 8 and 6 occurred on the 11th and 12th. Record low maximum temperatures of 20…19…and 30 occurred on the 10th…11th… And 12th respectively. This was also only the second time on record that the temperature had failed to reach the freezing mark for 3 consecutive days in April.

10-14

In 1927…post-frontal rain on the 10th changed to snow on the 11th and continued through the 14th. Snowfall totaled 8.5 inches from precipitation of 1.28 inches. North winds were sustained to 26 mph with gusts to 29 mph on the 13th.

11-12

In 1876…heavy snow began during the late afternoon of the 11th and continued through the night. Light snow ended around mid-morning of the 12th. The amount of snow was not measured…but precipitation totaled 0.70 inch… Which would be around 7 inches of estimated snowfall. Strong winds accompanied the heavy snowfall.

In 1896…post-frontal light rain changed to light snow overnight…but totaled only a trace. Northeast winds were sustained to 45 mph with gusts as high as 62 mph on the 12th.

In 1991…a strong pacific storm dumped heavy snow across metro Denver with amounts of 6 to 15 inches at lower elevations and up to almost 2 feet in the foothills west of Denver. Snowfall reports included: 21 inches at Idaho Springs…19 inches at Aspen Springs…15 inches in Arvada… 14 inches at Rollinsville…10 inches in Boulder… 8 inches in Aurora…and 7.3 inches at Stapleton International Airport where northeast winds gusted to 24 mph on the 11th.

12

In 1906…north winds were sustained to 52 mph in the city.

In 1916…post-frontal north winds were sustained to 40 mph with gusts to 42 mph. Light rain also occurred.

In 1964…strong gusty winds raked metro Denver. Wind gusts estimated to 60 mph or higher caused widespread damage to buildings and power lines. Blowing dust closed some roads. A wind gust to 46 mph was recorded at Stapleton International Airport.

In 1967…microburst winds gusted to 51 mph at Stapleton International Airport.

In 1982…wind gusts to 60 mph were reported in and near the foothills. Wind gusts to 44 mph were recorded at Stapleton International Airport.

In 1987…snow fell over metro Denver… Causing traffic tie-ups on the roads and at Stapleton International Airport where some flights were delayed for 90 minutes. I-25 south of Denver was closed for a time due to numerous traffic accidents. While only 4.2 inches of snow fell in Denver… Foothills to the southwest received 6 to 12 inches of snow. North winds gusted to 33 mph at Stapleton International Airport where the maximum snow depth on the ground was only 2 inches due to melting.

12-13

In 1922…post-frontal rain changed to heavy snow… Which totaled 7.0 inches in downtown Denver. This was the second snow in 3 days. North winds were sustained to 29 mph with gusts to 31 mph on the 12th.

In 1993…heavy snow occurred in the foothills northwest of Denver with 21 inches recorded at the Eldora Ski Area. Only 1.9 inches of snow fell at Stapleton International Airport where northeast winds gusted to 32 mph on the 13th. Most of the precipitation from the storm fell as rain across the city with 0.62 inch of precipitation measured at Stapleton International Airport.

12-14

In 1933…heavy snowfall of 5.6 inches occurred in downtown Denver on the 12th and 13th behind a vigorous cold front… Which presented an awe-inspiring spectacle as it approached the station during the late afternoon of the 12th. Brilliant white wind-torn cumulus clouds were sandwiched by a brownish- tan dust cloud at the surface and dark blue cumulus clouds above. The dust cloud storm rapidly enveloped the station with northeast winds sustained to 38 mph and gusts to 44 mph producing much blowing dust…which was accompanied by rapidly falling temperatures and rising pressure. Moist snowfall started in about an hour and continued to midday on the 13th. Record low temperatures of 17 and 15 degrees occurred on the 13th and 14th respectively. The high temperature of only 27 degrees on the 13th was a record low maximum for the date.

12-15

In 1927…snowfall totaled 8.5 inches in downtown Denver. Most of the snow fell on the 14th. Northwest winds were sustained to 27 mph during the storm.

13

In 1873…heavy snow started with fresh and brisk north winds around 9:00 am…and continued heavy until 2:00 pm and lightly until 7:00 pm. Temperatures were below freezing for most of the day…but the snow melted almost as fast as it fell. Precipitation from the melted snow totaled 0.70 inches. This would be around 7.0 inches of estimated snowfall.

In 1912…a severe wind and dust storm struck the city. West winds were sustained to 40 mph with gusts to 42 mph.

In 1967…a late season snow storm affected areas along the eastern foothills from Denver south. Snowfall between 2 and 3 feet closed I-25 between Denver and Colorado springs. In Denver…snowfall was only 3.6 inches… But precipitation from the storm totaled 3.25 inches…the greatest 24-hour precipitation ever recorded during the month of April. North winds gusted to 35 mph at Stapleton International Airport. Temperatures across the city were in the 30`s most of the day.

In 1974…a major spring snow storm dumped 8.5 inches of heavy wet snow at Stapleton International Airport where north wind gusts to 38 mph produced some blowing snow. The storm caused minor damage to public utilities.

In 1986…strong winds howled across metro Denver. Boulder reported a peak gust of 79 mph. Wind gusts of 55 to 60 mph were common across all of metro Denver. There were power outages. The wind toppled a brick wall under construction in Arvada…and also damaged luxury sky boxes under construction atop Mile High Stadium in Denver. Road signs in Arvada were damaged. West winds gusted to 56 mph at Stapleton International Airport.

In 2014…a storm system brought heavy snow to areas in and near the Front Range foothills. Storm totals included: 13 inches near Conifer; 12.5 inches near Ward; 11.5 inches near Nederland; 10 inches near Allenspark…Golden and Gold Hill; with 8.5 inches at Roxborough State Park.

13-14

In 1968…high winds struck Boulder. Sustained winds of 50 mph with gusts as high as 102 mph were recorded at the National Center for Atmospheric Research…while in downtown Boulder winds peaked to 73 mph. The winds damaged a building under construction and some homes in south Boulder. Northwest winds gusted to 35 mph at Stapleton International Airport on the 13th.

In 1996…a potent spring storm strengthened just east of Denver. Blizzard conditions developed over eastern Adams and eastern Arapahoe counties. Strong northerly winds ranging from 25 to 50 mph…cold temperatures… And heavy snowfall combined to create very hazardous conditions. The strong winds whipped snow in drifts 3 to 4 feet high. High winds and heavy wet snow downed power lines and caused traffic accidents. Some roads were closed. Snowfall totaled 15 inches at Strasburg…while only 2.1 inches of snow fell at the site of the former Stapleton International Airport. North winds gusted to 40 mph at Denver International Airport on the 13th.

In 2011…a potent spring snowstorm brought heavy snow to Front Range mountains and foothills. Storm totals included: 16.5 inches near Blackhawk; 16 inches at Nederland; 15.5 inches at Coal Creek Canyon and 5 miles northeast of Ward; 15 inches at Allenspark; 12.5 inches… 5 miles northwest of Idaho Springs; 12 inches at Echo Mountain ski area; and 10.5 inches near Georgetown.

13-15

In 1945…heavy snowfall totaled 9.8 inches in downtown Denver. Most of the snow…4.8 inches… Fell on the 14th. Snow fell for a total of 53 consecutive hours. This was the second big snow in less than 2 weeks. The air mass was very cold for April. High temperatures of 21 degrees on the 14th and 32 degrees on the 15th were record low maximums for those dates.

13-17

In 2001…a huge dust storm over southern and Inner Mongolia during April 3rd through the 6th lifted desert dust into the jet stream. This dust cloud moved over metro Denver on the 13th and persisted through the 17th. The cloud created widespread haze…giving the sky a milkish cast due to the scattering of incoming solar radiation.

Continue reading April 12 to April 18: This week in Denver weather history →

Weather History

April 5 to April 11: This week in Denver weather history

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This Week in Denver Weather History

An incredibly busy week on the Denver weather history calendar as we see below.  Thunderstorms, blizzards, tornadoes, hurricane force winds and more have all been seen during this week in Denver weather history.

From the National Weather Service:

2-5

In 1918…snowfall totaled 12.4 inches over downtown Denver. Most of the snow fell on the 3rd and 4th. Temperatures were in the 20`s and 30`s. Northwest winds were sustained to 24 mph on the 2nd.

3-5

In 1996…the foothills west of Denver received 6 to 8 inches of new snow. Only 0.8 inch of snow fell at the site of the former Stapleton International Airport…along with some freezing drizzle on the 4th and 5th. North-northeast winds gusted to 30 mph at Denver International Airport on the 3rd.

3-6

In 1898…snowfall totaled 8.7 inches in downtown Denver over the 4 days. Northeast winds were sustained to 48 mph with gusts as high as 60 mph on the 3rd.

In 1983…a prolonged heavy snow storm blanketed the area along with very cold temperatures. The greatest amounts of snow fell in the foothills where 24 to 42 inches were measured. A foot of snow fell in Boulder. Snow fell for 50 consecutive hours at Stapleton International Airport on the 3rd through the 5th with a total snowfall of 8.8 inches and a maximum accumulation on the ground of 6 inches on the 5th. In Denver…the mercury failed to rise above freezing for 3 consecutive days…on the 4th…5th… And 6th…for the first time ever in April. Five daily temperature records were set from the 4th through the 6th. Record low temperatures of 12 degrees occurred on the 5th with 7 degrees on the 6th. Record low maximum temperatures of 25 degrees occurred on the 4th…27 degrees on the 5th… And 28 degrees on the 6th.

4-5

In 1900…rain changed to heavy snow and totaled 7.8 inches in downtown Denver overnight. A thunderstorm on the 4th produced hail. Precipitation totaled 1.50 inches.

In 1911…north to northwest winds were sustained to 42 mph on the 4th and to 41 mph on the 5th.

In 2002…a whitish-colored haze engulfed metro Denver on both days. The haze was the result of a huge wind storm that kicked up dust and sand from the Gobi desert in Mongolia and China during the latter half of March. Westerly winds aloft transported the dust cloud across the Pacific Ocean and over the western united states…depositing some of it on Colorado.

In 2009…a blizzard developed over the northeast plains of Colorado. Most of the urban corridor was spared from the blizzard…with the exception of eastern Adams and eastern Arapahoe counties. The combination of strong wind and heavy snow snapped 14 power lines along State Highway 36… Near Strasburg. In Arapahoe County…7 poles were snapped in Bennett. Interstate 70 was closed in both directions east of Denver. At Denver International Airport…a peak wind gust of 63 mph was observed from the north…breaking the previous record of 62 mph established in 1986. Officially…only 0.3 inches of snowfall was measured at Denver International Airport.

4-7

In 1909…post-frontal rain changed to heavy snow on the afternoon of the 4th and continued through mid-morning of the 7th. Total snowfall was 18.7 inches…but most of the snow…14.0 inches… Fell from 6:00 pm on the 4th to 6:00 pm on the 5th. North to northeast winds were sustained to 32 mph on the 4th and to 30 mph on the 7th. Total precipitation from the storm was 1.78 inches.

5

In 1873…a heavy rain and hail shower in the afternoon changed to snow…and accumulated to 6 inches on the streets at 9:00 pm. Precipitation (rain and melted snow) totaled 0.56 inch.

In 1925…southeast winds were sustained to 46 mph with gusts to 50 mph. This was the strongest wind of the month that year.

In 1950…a well-developed dust devil was observed 4 to 5 miles south-southwest of Stapleton Airport for about 8 minutes.

In 1977…the earliest date of the last freeze of the season occurred when the temperature dipped to a low of 31 degrees.

In 1988…a wind gust to 74 mph was recorded at Rollinsville. West winds gusted to 35 mph at Stapleton International Airport.

In 1990…a heavy… Wet snow fell in many areas in and along the Colorado Front Range. Snowfall amounts of 4 to 7 inches were common around the Boulder area with lesser amounts elsewhere. Only 2.0 inches of snow fell at Stapleton International Airport where north winds gusted to 28 mph. Icy roads contributed to numerous fender-benders and a 20-vehicle pileup near the junction of I-70 and I-25 in the city.

In 2000…high winds developed in the Front Range foothills… From about I-70 northWard. Peak wind gusts included: 83 mph at the National Center for Atmospheric Research in Boulder…75 mph near Louisville… And 70 mph at the National Wind Technology Center…south of Boulder. West winds gusted to 41 mph at Denver International Airport.

In 2005…a surface low pressure center deepened over eastern Colorado and produced damaging high winds across metro Denver. The strong wind gusts ranging from 50 to 70 mph damaged roofs and fences. Cross-winds blew several empty semI-trailers on their sides along I-70 and I-76 east of Denver. Peak north wind gusts included: 60 mph near Bennett and Keenesburg…59 mph near Brighton… And 53 mph at Denver International Airport. Over the Palmer Divide south of Denver…the high winds combined with heavy snow to produce blizzard conditions. Snowfall accumulations ranged from 3 to 8 inches over eastern Douglas and western Elbert counties. Snowfall totals included: 8 inches at Sedalia…4 inches near Castle Rock… And 3.5 inches near Franktown.

5-6

In 1939…3.0 inches of snow fell in downtown Denver. North winds were sustained to 34 mph on the 5th and to 26 mph on the 6th. The strong winds caused considerable drifting of snow. Several highways leading into the city were closed during the height of the storm due to poor visibility. Streets and highways became coated with ice in places. The temperature dipped to 11 degrees early on the 6th. This was the coldest reading of the month that year. Most vegetation was not far enough advanced to be injured by the cold temperatures…although a few buds froze on early shrubbery.

In 1949…strong winds in Boulder caused limited minor damage. West-northwest winds were sustained to 24 mph with some higher gusts at Stapleton Airport.

5-7

In 1916…rain changed to snow behind a cold front on the 5th and totaled 4.5 inches in the city. A thunderstorm produced snow on the 6th. North winds were sustained to 35 mph with gusts to 38 mph on the 7th.

6

In 1904…northwest winds were sustained to 40 mph with gusts to 48 mph.

In 1919…post-frontal rain changed to snow but totaled only 0.1 inch. However…north winds were sustained to 40 mph with gusts to 44 mph in the city.

In 1954…a vigorous cold front produced northeast winds at 38 mph with gusts as high as 50 mph. The strong winds briefly reduced visibility to 1 1/2 miles in blowing dust at Stapleton Airport.

In 1972…wind gusts to 68 mph were recorded at the National Bureau of Standards in Boulder. Winds peaked to 54 mph in downtown Boulder. Minor damage was reported. Northwest winds gusted to 44 mph at Stapleton International Airport where the strong Chinook winds warmed the temperature to a high of 80 degrees…equaling the record maximum for the date.

6-7

In 1872…rain changed to snow overnight. Snow with high north winds continued all day on the 7th. Precipitation (rain and melted snow) totaled 0.50 inch. Due to problems on the lines…the morning weather report was not sent by telegraph until 3:10 pm and the midnight report was not sent at all.

In 1957…heavy snowfall totaled 6.6 inches at Stapleton Airport where north winds gusted to 46 mph. This was the second heavy snow event in less than 4 days.

In 1969…winds gusting as high as 50 to 60 mph caused only light damage along the eastern foothills. The strong winds contributed to the spread of a forest fire near Boulder. Sustained winds of 25 mph with gusts to 53 mph were recorded in Boulder. Southwest winds gusted to 38 mph on the 6th and 44 mph on the 7th at Stapleton International Airport.

In 1980…high winds howled along the foothills each day. A wind gust to 72 mph was recorded in Lakewood. The strong winds blew a camper top off a pickup truck in Denver. At Stapleton International Airport…west winds gusted to 41 mph on both days.

In 1998…a spring storm brought a mix of snow and thunder to metro Denver…the foothills… And Palmer Divide. Conifer and Elizabeth both measured 4 inches of new snow. On the 6th…only 0.1 inch of snow fell at the site of the former Stapleton International Airport where thunder was heard on both days. Precipitation totaled 0.60 inch at Denver International Airport where west winds gusted to 43 mph on the 6th.

6-8

In 1973…a major spring snow storm dumped 11.6 inches of snowfall over metro Denver. North wind gusts of 30 to 35 mph produced some blowing snow. Most of the heavy wet snow… 10.1 inches…fell on the 7th when temperatures remained in the 20`s. Snow accumulated on the ground to a maximum depth of 9 inches. Low temperature of 5 degrees on the 8th was a new record minimum for the date and the lowest for so late in the season.

Continue reading April 5 to April 11: This week in Denver weather history →

Climatology, Thornton Weather

Thornton’s April 2020 weather preview: Winter, spring and summer all in one month

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Thornton's April weather previewApril marks a transition between winter and summer for most of the country but for Denver it is especially true as we can see a stunning variety of weather.

The proverbial April showers are certainly a possibility for Denver. Snow? Tornadoes? Thunderstorms? You bet – all can happen!

For good measure throw in a chance for hail and even dust storms and April gives every type of weather condition you could like – or hate.

Weather History

March 29 to April 4: This week in Denver weather history

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This Week in Denver Weather History

This week in Denver weather history is notable for the variety of conditions that can be experienced this time of year.  From hurricane force winds and heavy snow to more typical spring severe weather like tornadoes, all can be experienced this time of year.

From the National Weather Service:

27-29

In 1948…high winds raked Boulder. A wind gust to 75 mph was recorded at Valmont. Sustained winds in excess of 35 mph were estimated in Boulder. Minor damage was reported.

In 1961…heavy snowfall totaled 9.5 inches at Stapleton Airport over the 3 day period. Most of the snow…5.3 inches…fell on the 28th. Winds were generally light and gusted to only 22 mph from the north.

28-29

In 1891…rain changed to snow and totaled 9.7 inches in the city. Northeast winds were sustained to 12 mph with gusts to 28 mph on the 28th.

In 1910…a strong cold front brought much wind…rain…and and snow to the city. Rain on the 28th changed to snow early on the 29th. Snowfall totaled only 2.8 inches…but north winds were sustained to 50 mph on the 29th. Precipitation from the storm totaled 0.96 inch.

In 1994…moist upslope winds combined with an upper level system to dump 5 to 7 inches of snow along the eastern foothills and across metro Denver. Snowfall totaled 6.3 inches at Stapleton International Airport where northeast winds gusted to 39 mph. Thirteen inches of new snow were measured at the Eldora ski area west of Boulder.

28-30

In 1949…a major winter storm dumped 11.3 inches of snow over downtown Denver. Snowfall totaled 10.4 inches at Stapleton Airport. North to northeast winds were sustained to 17 mph.

In 1985…a slow moving snow storm moved across the state. Denver received only 4.0 inches of snowfall with amounts in the foothills totaling 1 to 2 feet. Still…this was enough snow in Denver to cause flight delays of up to 6 hours at Stapleton International Airport on the night of the 29th. East winds gusted to 28 mph on the 28th.

29

In 1887…west winds sustained to 44 mph warmed the temperature to a high of 62 degrees.

In 1921…post-frontal northeast winds were sustained to 46 mph with gusts to 52 mph.

In 1925…southeast winds were sustained to 46 mph with gusts to 48 mph. These were the strongest winds of the month that year. The winds warmed the temperature to a high of 72 degrees.

In 1934…a construction worker was killed by lightning as he walked with a shovel on his shoulder along Cherry Creek in the city. The thunderstorm produced light rain.

In 1967…a southwest wind gust to 52 mph was recorded at Stapleton International Airport. The warm Chinook winds warmed the temperature to 79 degrees equaling the record for the date.

In 1979…a tornado touched down 4 miles southwest of Parker… But caused no reported damage.

In 1998…four children attending a birthday party in Denver were injured when an apparent dry microburst produced a sudden strong wind gust which blew an inflatable playhouse they were occupying into a neighbor’s yard. The playhouse scraped the roof of the host’s two-story house…then landed in the adjoining yard. The children were treated for minor head injuries and cuts.

29-30

In 1938…overnight heavy snowfall was 6.3 inches over downtown Denver.

In 1982…strong winds buffeted metro Denver…breaking windows and damaging roofs. Wind gusts to 90 mph were recorded in Boulder and 51 mph at Stapleton Airport. The strong winds flattened a condominium under construction in Lakewood.

In 1991…1 to 6 inches of snow fell across metro Denver with the heaviest snow confined to the foothills. Six inches of snow was recorded at South Platte in the foothills southwest of Denver and 3 inches at Castle Rock. Snowfall totaled only 0.7 inch at Stapleton International Airport where northeast winds gusted to 33 mph on the 29th.

29-31

In 1970…snowfall totaled 6.0 inches at Stapleton International Airport. Heavy snow accumulation in Boulder on the 29th caused the collapse of a carport at an apartment building…damaging 11 automobiles. Northeast winds gusted to 24 mph at Stapleton International Airport.

30

In 1895…rain changed to sleet…then snow…and totaled 8.0 inches in downtown Denver. Strong post-frontal northeast winds were sustained to 48 mph with gusts to 61 mph. Temperatures hovered around 30 degrees all day.

In 1968…microburst winds associated with virga and brief light rain gusted to 46 mph at Stapleton International Airport.

In 1983…winds gusted to 82 mph at the National Center for Atmospheric Research in Boulder with peak gusts of 70 to 80 mph in the foothills. Minor damage occurred at a construction site and to some homes in Boulder. West winds gusted to 39 mph at Stapleton International Airport.

30-31

In 1896…heavy snowfall totaled 7.5 inches in downtown Denver. Northwest winds gusted to 26 mph.

In 1897…rain changed to snow during the early morning of the 30th and totaled 6.2 inches before ending during the late morning of the 31st. Northwest winds were sustained to 35 mph with gusts to 46 mph.

In 1929…heavy snowfall of 7.0 inches was recorded over downtown Denver. Northwest winds were sustained to 23 mph on the 30th.

In 1953…heavy snowfall totaled 8.6 inches at Stapleton Airport where northeast winds gusted to 23 mph.

In 1955…a vigorous cold front produced north winds at 40 mph with gusts as high as 54 mph at Stapleton Airport. Rain and snow showers and blowing dust accompanied the front. Snowfall totaled only 0.1 inch at Stapleton Airport on the 31st.

In 1988…snow began falling on the afternoon of the 30th and continued through the 31st…burying metro Denver. Twelve to 18 inches of snow fell in the foothills to the west of Denver and Boulder with 6 to 12 inches across the rest of metro Denver. The storm disrupted aircraft operations at Stapleton International Airport where snowfall totaled 7.1 inches and north winds gusting to 32 mph reduced the visibility to less than 1/4 mile at times…causing air traffic delays of 2 to 3 hours.

In 2000…heavy snow once again developed over the foothills and the higher terrain to the south of metro Denver. Snowfall totals from the storm included: 16 inches atop Squaw Mountain…15 inches near Rollinsville…13 inches near Evergreen…12 inches near Morrison…11 inches in Coal Creek Canyon…10 inches near Blackhawk and in Eldorado Springs…9 inches at Ken Caryl Ranch and larkspur… And 8 inches near Elizabeth. Snowfall totaled only 4.1 inches at the site of the former Stapleton International Airport. North winds gusted to 32 mph at Denver International Airport on the 30th.

In 2005…a strong spring storm intensified over the eastern plains of Colorado and produced near-blizzard conditions to the east and southeast of Denver overnight. North to northwest winds from 20 to 35 mph with gusts to 50 mph produced extensive blowing snow and caused near zero visibilities at times and snow drifts from 2 to 4 feet in depth. Snowfall amounts included: 12 inches near Bennett…8 inches around Castle Rock… 7 inches near Sedalia…and 6 inches near Parker. Only 0.3 inch of snow was reported at Denver Stapleton. At Denver International Airport…north winds gusted to 37 mph on the 30th and 36 mph on the 31st.

In 2014…on the evening of the 30th…high based showers and thunderstorms produced microburst winds over northern Jefferson…eastern Boulder and southwest weld counties. Peak wind reports included: 77 mph at white ranch open space; 72 mph…2 miles north of Longmont; 67 mph near Erie and firestone; 60 mph near mead and 59 mph…5 miles northwest of Henderson; with 53 mph at Denver International Airport. The wind downed power lines in Weld County which sparked a small fire. High winds then developed in the Front Range foothills and urban corridor through the morning of the 31st. Peak wind gusts included: 98 mph near gold hill; 77 mph near Eldorado Springs; 61 mph at Centennial Airport; 59 mph at Buckley Air Force Base; with 44 mph at Denver International Airport.

31

In 1873…high winds damaged buildings in the city. Northwest winds with sustained velocities to near 40 mph blew from 9:00 am until sunset.

In 1937…north to northeast winds sustained to 25 mph with gusts to 32 mph produced a light dust storm in the city during the afternoon.

In 1971…wind gusts to 92 mph were recorded in the south hills area of Boulder. At the National Bureau of Standards in Boulder sustained winds of 46 mph with gusts to 83 mph were measured. Damage was minor. Northwest winds gusted to 41 mph at Stapleton International Airport.

In 1983…high winds with gusts to 70 mph in Boulder caused minor damage.

31-1

In 1876…heavy snow began during the night and lasted all day on the 31st and through the morning of the 1st. The average depth of snow fall was 10 to 12 inches…but strong winds whipped the snow into drifts of 8 to 10 feet deep on the streets of the city. Precipitation from the storm was 1.03 inches on the 31st and 0.37 inch on the 1st.

In 1891…heavy moist snowfall totaled 18.0 inches in the city. Northeast winds were sustained to 20 mph with gusts to 24 mph on the 31st.

In 1936…northeast winds sustained to 21 mph produced a light dust storm in the city.

In 1975…a major storm dumped 9.3 inches of snowfall at Stapleton International Airport where northwest winds gusted to 41 mph. Rain changed to snow on the afternoon of the 31st…reducing the visibility to as low as 1/8 mile. Snow continued all day on the 1st and accumulated to a depth of 8 inches on the ground. The minimum temperature of 10 degrees on the 1st set a new record low for the date.

Continue reading March 29 to April 4: This week in Denver weather history →

Climatology, Thornton Weather

April 2019 weather recap: Warmer, drier than normal for Thornton

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The month of April had the usual, inconsistent weather conditions we expect from the month. Thornton enjoyed everything from spring-like days with mild temperatures to a healthy round of snow and cold.

The month started out mild with seven of the first nine days of the month seeing above normal temperatures and pleasant conditions. A cold front and storm system moved in on the 10th though and brought about significant changes for a few days and our first snow of the month.

Warmer weather returned though and on the 20th we recorded our first 80 degree day of the year. Showers and thunderstorms on the 21st brought some much-needed rain then we dried back out for the next six days. We saw a couple more 80+ degree days then the final two days chilled things out and delivered a bit more snow.

Thornton’s overall average temperature for the month came in at 49.6 degrees. This was a good bit above Denver’s long-term April average of 47.4 degrees. Out at DIA where the Mile High City’s official measurements are kept, the average temperature was similar with 49.1 degrees.

Temperatures in Thornton ranged from a high of 81.4 degrees on the 26th down to a low of 17.5 degrees on the 11th. Denver saw a high reading of 80 degrees on the 20th and a low of 17 on the 11th.

In terms of precipitation, Denver averages 1.71 inches during April. Both Thornton and Denver fell short of that mark with 0.78 inches and 1.25 inches in their rain buckets respectively.

Snowfall in Thornton was respectable with 8.1 inches of the white stuff. Denver was well short of that with 3.5 inches. April averages 6.8 inches so while Thornton was above that, Denver was below.

Click here to view Thornton’s April 2019 climate report.

Thornton, Colorado's April 2019 temperature summary. (ThorntonWeather.com)
Thornton, Colorado’s April 2019 temperature summary. (ThorntonWeather.com)
Thornton, Colorado's April 2019 precipitation summary. (ThorntonWeather.com)
Thornton, Colorado’s April 2019 precipitation summary. (ThorntonWeather.com)
CLIMATE REPORT
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
913 AM MDT WED MAY 1 2019

...................................

...THE DENVER CO CLIMATE SUMMARY FOR THE MONTH OF APRIL 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1872 TO 2019

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH              90   04/30/1992
 LOW               -2   04/02/1975
HIGHEST            80   04/20                         83  04/29
LOWEST             17   04/11                         21  04/06
                        04/10
AVG. MAXIMUM     62.7              61.5     1.2     63.2
AVG. MINIMUM     35.6              33.3     2.3     32.5
MEAN             49.1              47.4     1.7     47.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               0.3    -0.3        0
DAYS MIN <= 32     10              13.0    -3.0       16
DAYS MIN <= 0       0               0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         8.24   1900
 MINIMUM         0.03   1963
TOTALS           1.25              1.71   -0.46     0.86
DAILY AVG.       0.04              0.06   -0.02     0.03
DAYS >= .01         9               9.1    -0.1        8
DAYS >= .10         2               4.5    -2.5        4
DAYS >= .50         1               0.9     0.1        0
DAYS >= 1.00        0               0.5    -0.5        0
GREATEST
 24 HR. TOTAL    0.82   04/21 TO 04/21           04/21 TO 04/21

SNOWFALL (INCHES)
RECORDS
 TOTAL            3.5               6.8
RECORD APRIL     33.8    1933

DEGREE_DAYS
HEATING TOTAL     469               529     -60      509
 SINCE 7/1       5805              5731      74     5250
COOLING TOTAL       0                 1      -1        2
 SINCE 1/1          0                 1      -1        2

FREEZE DATES
RECORD
 EARLIEST     09/08/1962
 LATEST       06/08/2007
EARLIEST                        10/07
LATEST                          05/05
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              10.3
RESULTANT WIND SPEED/DIRECTION   0/078
HIGHEST WIND SPEED/DIRECTION    44/310    DATE  04/21
HIGHEST GUST SPEED/DIRECTION    55/280    DATE  04/28

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.60
NUMBER OF DAYS FAIR            2
NUMBER OF DAYS PC             19
NUMBER OF DAYS CLOUDY          9

AVERAGE RH (PERCENT)     56

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.
Thornton Weather

April 2019 top shots: Monthly photo slideshow

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April 7, 2019 - A stunning sunset in Thornton to end the day. (Michelle Jones)
April 7, 2019 – A stunning sunset in Thornton to end the day. (Michelle Jones)

April can be a tricky month weather-wise with everything from mild temperatures to snow to severe weather being possible.  The good thing about that is that it provides plenty of chances for great photos!

April marks a transition between winter and summer for most of the country but for Denver it is especially true as we can see a stunning variety of weather.

The proverbial April showers are certainly a possibility for Denver. Snow? Tornadoes? Thunderstorms? You bet – all can happen!

Throw in our usual wildlife plus the wide variety of birds that return to the Centennial State for the spring and summer and there is a lot going on.

  • Slideshow updated April 29, 2019. 
  • To learn more about how to send your photo to us for inclusion in the slideshow, see below the slideshow.

Showcasing images captured by ThorntonWeather.com readers as well as some of our own, our monthly slideshow covers the entire gamut of weather-related imagery.

Sunsets, sunrises, wildlife and of course every type of weather condition are vividly depicted in images captured from yours and our cameras.

[flickr_set id=”72157708233990884″]

What is missing in the slideshow above?  Your photo!

Our monthly photo slideshow is going to feature images that we have taken but more importantly images that you have captured.  The photos can be of anything even remotely weather-related.

Landscapes, current conditions, wildlife, pets, kids.  Whimsical, newsy, artsy.  Taken at the zoo, some other area attraction, a local park, a national park or your backyard.  You name it, we want to see and share it!

Images can be taken in Thornton, Denver or anywhere across the extraordinary Centennial State.  We’ll even take some from out of state if we can tie it to Colorado somehow.

We’ll keep the criteria very open to interpretation with just about any image eligible to be shown in our slideshows.

What do you win for having your image in our slideshow?  We are just a ‘mom and pop’ outfit and make no money from our site so we really don’t have the means to provide prizes.  However you will have our undying gratitude and the satisfaction that your images are shared on the most popular website in Thornton.

To share you images with us and get them included in the slideshow just email them to us or share them with ThorntonWeather.com on any of the various social media outlets.  Links are provided below.

So come on, get those camera’s rolling!

April 2019 - Top Shots 2

Climatology, Thornton Weather

2018 – 2019 seasonal snowfall numbers continue to improve

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Thornton, Colorado seasonal snowfall totals as of April 11, 2019. Click for larger image. (ThorntonWeather.com)
Thornton, Colorado seasonal snowfall totals as of April 11, 2019. Click for larger image. (ThorntonWeather.com)

Thornton hasn’t had any truly big time snows this year but we have managed a number of respectable ones and that shows in our seasonal snow totals.

As of today, Thornton has received 49.1 inches of snow for the season. That is just slightly below our running 13 year seasonal average of 53.1 inches.

As for Denver, officially, the Mile High City has recorded 43.2 inches thus far this season as measured at DIA. The all-time seasonal average snowfall for Denver is 57.1 inches (55.3 inches 30 year average) so there is still ground to make up there to get near average.

With half of April and all of May to go, there’s still plenty of time to add to those numbers.

In case you were wondering… The average date of Denver’s last snowfall is April 27th. The latest? June 12, 1947 when a trace was recorded. The latest measurable snowfall was 0.4 inches on June 1, 2919.

Thornton Weather

Thornton’s April 2019 weather preview: Three seasons wrapped into one

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Thornton's April weather previewApril marks a transition between winter and summer for most of the country but for Denver it is especially true as we can see a stunning variety of weather.

The proverbial April showers are certainly a possibility for Denver. Snow? Tornadoes? Thunderstorms? You bet – all can happen!

For good measure throw in a chance for hail and even dust storms and April gives every type of weather condition you could like – or hate.