{"id":22526,"date":"2022-07-17T14:39:05","date_gmt":"2022-07-17T20:39:05","guid":{"rendered":"http:\/\/www.thorntonweather.com\/blog\/?p=22526"},"modified":"2022-07-17T14:39:05","modified_gmt":"2022-07-17T20:39:05","slug":"july-17-to-july-23-this-week-in-denver-weather-history-3","status":"publish","type":"post","link":"https:\/\/www.thorntonweather.com\/blog\/weather-history\/july-17-to-july-23-this-week-in-denver-weather-history-3\/","title":{"rendered":"July 17 to July 23: This Week in Denver Weather History"},"content":{"rendered":"

\"This<\/a><\/p>\n

Our weekly look back at Denver weather history always has interesting items but this week one stands out in particular. Denver has never officially recorded snow during the month of July. However, before official records began in 1882, the U.S. Army Signal Service weather observer reported snow on July 17, 1872!<\/p>\n

From the National Weather Service:<\/p>\n

7-25<\/p>\n

In 1934\u2026a streak of 15 consecutive days of 90 degrees ranked 5th on the list of hot streaks. The record of 24 consecutive days was established in the summer of 2008.<\/p>\n

13-5<\/p>\n

In 2008\u2026a streak of 24 consecutive days of 90 degrees shattered the previous record of 18 consecutive days established in 1901 and 1874. Ironically\u2026no new single day record high temperatures were set in the month of July. In August however\u2026a record of 104 degrees was set on the 1st\u2026and another record of 103 degrees was set on the 2nd. In addition\u2026a record low min of 70 degrees was set on August 2nd.<\/p>\n

16-18<\/p>\n

In 1997\u2026an extended hot spell resulted in 3 temperature records being set. The maximum temperature reached 98 degrees on each of the days\u2026setting records on the 16th and 18th. The low temperature of 71 degrees on the 17th was a record high minimum for the date. The high temperature reached 100 degrees on the 17th at the site of the former Stapleton International Airport.<\/p>\n

17<\/p>\n

In 1872\u2026the U.S. Army Signal Service weather observer recorded snowfall during the early morning hours in the hand written daily weather journal: \u201crain commenced at 1:30 a.m. changing about 3 a.m. to snow & in about half an hour to rain again; it continued until 6 a.m.\u201d this is the only recorded occurrence of snowfall in Denver in July\u2026but this report is not included in the \u201cofficial\u201d station snowfall records\u2026which did not begin in Denver until January 1\u20261882. The low temperature on this morning was 45 degrees\u2026which is sufficiently cold for the occurrence of light stratiform snowfall.<\/p>\n

In 1918\u2026a thunderstorm produced hail to an inch in depth on the ground. The stones varied in size from a small cherry stone to nearly 1\/2 inch in diameter. Not much permanent damage was done to crops. Precipitation totaled 0.40 inch\u2026and northeast winds were sustained to 25 mph with gusts to 28 mph.<\/p>\n

In 1971\u2026the temperature reached a high of 101 degrees at Stapleton International Airport.<\/p>\n

In 1983\u20263\/4 inch diameter hail fell at Lafayette\u2026while golf ball size hail pelted Brighton and Northglenn where funnel clouds were also sighted.<\/p>\n

In 1986\u20261 1\/2 inches of rain fell in an hour and 15 minutes in southeastern Aurora. Thunderstorm rainfall totaled 0.89 inches at Stapleton International Airport.<\/p>\n

In 1987\u2026a small tornado was sighted near Watkins\u2026in the vicinity of Front Range airport.<\/p>\n

In 1997\u2026lightning ignited an oil well tank holding 10 thousand gallons of oil\u202616 miles northwest of Bennett. About 200 acres of grassland burned before the fire could be extinguished. A dry microburst produced a wind gust to 52 mph at Denver International Airport.<\/p>\n

In 2000\u2026an estimated 2 inches of rain fell in less than an hour\u2026causing two secondary roads in buck and miller gulches in the hi meadows fire burn area to wash out. Water also covered Jefferson County road 68 which connects to Bailey. Homeowners in pine valley estates attempted to divert some of the runoff by piling stacks of hay on the hillside above their homes. Torrential rainfall\u2026up to 3.50 inches an hour\u2026caused flash flooding along Whiskey Gulch near Elizabeth. Several roads were washed out and basements flooded during the storm. Along County Road 13\u2026 About 6 miles north-northwest of Elizabeth\u2026rushing water washed away a 15-foot section of the road. The floodwaters forced debris and mud into four huge culverts\u2026sending water over the road. At Denver International Airport\u2026an United Airlines ground crew worker was struck by lightning as she was loading a Boeing 747 jumbo jet. The woman was injured when lightning either hit the jet or the loading equipment that she was working near. The 25-year-old woman received only minor injuries.<\/p>\n

In 2006\u2026outflow from severe thunderstorms to the southeast of metro Denver produced southeast sustained winds to 35 mph with gusts as high as 52 mph at Denver International Airport during the late evening.<\/p>\n

In 2011\u2026a deluge of heavy rain occurred in and around Nederland when the storm dumped nearly 2 inches of rain in 30 minutes. The heavy rainfall washed out hillsides and dirt roads. In Nederland\u2026a culvert became blocked with debris and forced the water to spread into a nearby bookstore. The rainfall also damaged several residential roads in the Sunnyside Subdivision and Navajo Road became impassable. Several homes suffered flood damage as the runoff from a nearby Beaver Creek jumped its banks and flooded garages\u2026living rooms and bedrooms of nearby houses.<\/p>\n

In 2016…a severe thunderstorm produced hail up to 1 inch in diameter near Buckley Air Force Base.<\/p>\n

18<\/p>\n

In 1874\u2026the temperature climbed to 90 degrees or more for the 18th consecutive day\u2026setting a record. The record was equaled from July 6th through the 23rd in 1901.<\/p>\n

In 1902\u2026a thunderstorm produced northwest winds sustained to 45 mph with gusts to 48 mph along with rain and hail. Total precipitation was 0.53 inch.<\/p>\n

In 1911\u2026a shower produced north winds sustained to 44 mph.<\/p>\n

In 1958\u20261 1\/2 inch diameter hail fell 9 miles west-southwest of Stapleton Airport.<\/p>\n

In 1981\u2026a thunderstorm bombed Evergreen with about 2 inches of rain in 45 minutes. A heavy hailstorm left 5 to 7 inches of hail on the ground in some places and stopped the Colorado Open golf tournament at Hiwan.<\/p>\n

In 1985\u2026over 2 inches of rain doused the southwest suburbs of Denver. Street flooding occurred in the Montbello area of northeast Denver.<\/p>\n

In 1992\u2026nickel size hail fell across central Douglas County near Castle Rock and Sedalia. One inch diameter hail fell in Castle Rock.<\/p>\n

In 1993\u2026thunderstorm winds gusted to 60 mph at Strasburg east of Denver.<\/p>\n

In 2004\u2026heavy thunderstorm rainfall caused flooding over parts of the Virginia Canyon Road near Idaho Springs. Several sections of the roadway were washed out. The road was closed temporarily for repairs.<\/p>\n

<\/span>18-19<\/p>\n

In 2003\u2026heavy rain producing thunderstorms caused flash flooding across southern metro Denver. Automated rain gages measured 2 to 3 inches of rain in less than an hour. The heavy rainfall caused many intersections and underpasses to flood\u2026stranding motorists. Sections of I-25 and I-225 were closed due to the high water.
\n18-2<\/p>\n

In 1987\u2026a streak of 16 consecutive days of 90 degrees ranked 4th on the list of hot streaks. The record of 24 consecutive days was established in the summer of 2008.<\/p>\n

19<\/p>\n

In 1875\u2026recent heavy rains produced high waters on many creeks and rivers in the area\u2026which threatened the destruction of property at some locations. Cherry Creek in the city was running the highest in 10 years. Heavy rain in the mining regions over the last 2 days resulted in water running \u201ceverywhere\u201d and the suspension of some work.<\/p>\n

In 1881\u2026a thunderstorm passing across the city produced lightning with no rain. A woman was seriously injured when struck by lightning several blocks from the weather office in downtown Denver.<\/p>\n

In 1934\u2026the temperature reached a high of 100 degrees in downtown Denver.<\/p>\n

In 1965\u2026hail\u2026rain\u2026and lightning hit west metro Denver. Hail stones as large as 1 1\/2 inches in diameter accumulated to a depth of 2 inches in Evergreen where 2.95 inches of rain in 2 hours caused some flooding in the business section of the town. Lightning caused some power outages.<\/p>\n

In 1973\u2026two funnel clouds were observed 5 miles southeast of Littleton. The same funnel clouds were observed for 20 minutes\u20265 miles west and 5 miles west-southwest of Arapahoe County airport\u2026now centennial airport.<\/p>\n

In 1975\u2026lightning injured a man in Denver and caused power outages in Aurora\u2026Lakewood\u2026Westminster\u2026and west Denver.<\/p>\n

In 1984\u2026strong thunderstorm winds gusting to 45 mph shattered 7 large plate glass windows at Stapleton International Airport.<\/p>\n

In 1985\u2026a tornado touched down in the surrey ridge area of northern Douglas County\u2026just west of I-25. Ten homes were damaged; one under construction was nearly destroyed. Two vehicles were thrown off I-25 injuring three people. A pick-up truck was thrown 50 feet by the twister. In addition\u2026a cluster of severe thunderstorms pounded all of metro Denver with torrential rain\u2026hail\u2026and wind. The heaviest rain fell in Aurora where one location reported 2.37 inches in just 40 minutes. One location in northeast Aurora received a total of 4.30 inches from the storm. There was extensive street and basement flooding\u2026and a number of roads were damaged or washed out. An Aurora boy suffered minor injuries when he was washed into a drainage ditch. Golf ball size hail in Aurora piled up to 5 inches deep. An inch of rain fell in 20 minutes at Stapleton International Airport\u2026closing it to air traffic for an hour. Up to 1 1\/2 inches of rain fell in just 15 minutes over central Denver with the high water closing I-25. The water was so deep on the freeway\u2026that one vehicle was completely submerged and people were diving into the water from the freeway overpass. Three homes in Littleton were damaged by lightning. Wind blew out several windows from a high rise apartment building in southeast Denver. Rainfall totaled 1.51 inches at Stapleton International Airport.<\/p>\n

In 1997\u2026torrential rain and damaging hail pummeled eastern sections of metro Denver. Hail up to 1.25 inches in diameter fell at the national weather service office on the site of the former Stapleton International Airport. The hail continued for about 15 minutes and accumulated to a depth of 2 to 3 inches\u2026causing extensive damage to cars in the area. Heavy rainfall totaled 3.83 inches in about an hour from the nearly stationary thunderstorm. Numerous cars stalled along I-70\u2026and several homes were flooded in east Denver. The roof of a building collapsed under the weight of the water. The next day several \u201cfatalities\u201d were discovered near the national weather service office; two prairie dogs were found dead along with three rabbits that either drowned or were killed by the large hail.<\/p>\n

In 1999\u2026lightning struck two residences in Littleton\u2026but caused only minor damage. Lightning triggered a fire at a residence in cherry hills village. A small portion of the roof and ceiling were damaged before the fire could be extinguished.<\/p>\n

In 2000\u2026hail as large as 1.25 inches in diameter fell near roggen northeast of Denver.<\/p>\n

In 2004\u2026heavy rainfall caused flooding on the Virginia Canyon Road near Idaho Springs\u2026which had to be closed for repairs.<\/p>\n

In 2006\u2026the temperature climbed to a high of 100 degrees. The high temperature was not a record maximum for the date.<\/p>\n

In 2007\u2026a severe thunderstorm produced large hail\u2026up to 1 inch in diameter\u2026about 6 miles north of Northglenn.<\/p>\n

In 2016…two men at the Indian Tree Golf Course in Arvada were struck by lightning when they sought shelter from a rapidly developing thunderstorm under a tree. One man died from his injuries while the other suffered minor injuries. Very heavy rainfall was observed across central and southern parts of Denver. The storm dropped around 1.5 inches of rainfall in 30 minutes and caused minor street flooding. Nickel size hail was reported west of Pine in central Jefferson County.<\/p>\n

19-23<\/p>\n

In 2005\u2026the high temperature climbed above 100 degrees on each of the 5 days with readings of 101 on the 19th\u2026105 on the 20th\u2026104 on the 21st\u2026and 102 on both the 22nd and 23rd. A new record maximum temperature for the month of July of 105 degrees was set on the 20th\u2026which also equaled the all time record maximum for Denver of 105 degrees first set on August 8th in 1878. Daily maximum temperature records were set on each day\u2026and the 5 day period equaled the record for the most consecutive days of 100 degrees or more first set from July 4th through 8th in 1989. The intense heat resulted in a high use of electricity for cooling purposes. The demand for electric power exceeded the supply and rolling black-outs\u2026 Each lasting about an hour\u2026were scheduled across metro Denver during the afternoons and early evenings.<\/p>\n

<\/span>20<\/p>\n

In 1898\u2026an apparent thunderstorm produced sustained northwest winds to 45 mph with gusts to 51 mph.<\/p>\n

In 1939\u2026the high temperature reached 102 degrees in downtown Denver. This was the highest temperature recorded since August 8\u20261878\u2026a period of 61 years\u2026and the third highest temperature of record at the time. Six miles to the east\u2026 At Denver municipal airport\u2026the maximum temperature reached 104 degrees. A dry period during mid-July\u2026combined with low relative humidities\u2026resulted in an unusually large number of forest fires in the mountains west of Denver.<\/p>\n

In 1941\u2026an afternoon thunderstorm caused two lightning deaths. The men were struck by lightning near the Denver airport.<\/p>\n

In 1951\u2026a thunderstorm wind gust to 54 mph was recorded at Stapleton Airport.<\/p>\n

In 1965\u2026heavy rain west of Denver damaged roads and bridges. Two bridges in Golden were washed out. Lightning in Denver caused some power failures and fires\u2026mostly in the northeast section of the city. Heavy rain caused street flooding in the city of Denver. Hail as large as 1\/2 inch in diameter and 0.40 inch of rain in 5 minutes were measured at Stapleton International Airport where precipitation totaled 1.09 inches. Lightning damaged a house in Littleton\u2026and caused a power outage in Idaho Springs.<\/p>\n

In 1973\u2026lightning damage was reported west of Arvada.<\/p>\n

In 1975\u2026heavy rains caused flash flooding across metro Denver\u2026resulting in the closing of several streets and damage to numerous homes and businesses. Hail 1\/2 to 3\/4 inch in diameter was reported.<\/p>\n

In 1976\u2026heavy thunderstorms caused flooding of streets in southeast Denver and western Arapahoe counties. A total of 3.35 inches of rain was measured at Kassler southwest of Littleton.<\/p>\n

In 1978\u2026a girl was injured by lightning at a country club southwest of Denver.<\/p>\n

In 1984\u2026heavy rain was reported just east of Buckley Field in Aurora where 1.15 inches fell in just 45 minutes.<\/p>\n

In 1986\u2026thunderstorms dumped heavy rain across metro Denver causing extensive street flooding\u2026power outages\u2026and basement flooding. The greatest recorded rainfall was 4.39 inches in Lakewood.<\/p>\n

In extreme northwest Denver\u20262.29 inches of rain fell in just 20 minutes. Arvada was drenched with 2.60 inches of rain\u2026and over an inch fell in southeast Denver and adjacent sections of Aurora.<\/p>\n

In 1990\u2026heavy thunderstorm rains caused flash flooding in sections of Littleton where 1.20 inches of rain fell in less than 30 minutes. The deluge caused Dry Creek to jump its banks\u2026causing damage to residential streets\u2026curbs\u2026and sidewalks. Nearly 100 vehicles were stranded for a time in fender-deep water when sewers and drainage ditches became choked with debris. The heavy runoff submerged many Littleton streets and intersections.<\/p>\n

In 1992\u2026strong thunderstorms moved slowly through east metro Denver\u2026producing rainfall up to 2.50 inches in a short time. Weather spotters reported 0.75 to 1.00 inch of rain in less than 30 minutes. Many areas of southeast Denver were flooded\u2026including I-25 where up to 6 feet of water filled some underpasses. Hail to 3\/4 inch in diameter fell in Aurora.<\/p>\n

In 1995\u2026a tornado touched down briefly in an open field near Strasburg. Thunderstorm winds gusted to 58 mph at centennial airport.<\/p>\n

In 1996\u2026strong thunderstorm winds damaged the building of a telephone installation company in the city of Denver.<\/p>\n

In 1998\u2026the high temperature reached 100 degrees at Denver International Airport.<\/p>\n

In 2006\u2026heavy rainfall in the overland wildfire burn area caused minor flash flooding in Jamestown. The roads behind the Jamestown fire hall were washed out\u2026when a culvert was blocked by debris. A rockslide was also reported in town.<\/p>\n

In 2009\u2026a severe thunderstorm produced damaging winds\u2026large hail and very heavy rain across the western and southern suburbs of Denver. Widespread damage was observed in the cities of Arvada\u2026Lakewood and Wheat Ridge. The intense straightline winds were the result of a wet microburst which downed hundreds of trees and snapped power poles. Wind gusts to 80 mph were reported along with hail up to 1 3\/4 inches in diameter. The combination of wind and hail caused widespread damage to homes and vehicles. The damage claim estimates totaled 350 million dollars; about 32900 claims were filed for homes\u2026while another 19500 claims were filed for vehicles. As many as 90000 homes and businesses were left without power. In some areas it took up to 3 days to completely restore electrical service. Minor injuries were reported from broken glass during the storm\u2026but no one was hospitalized. The storm crippled the computers at the Colorado crime information center in Lakewood for nearly 3 hours. One weak tornado touched down near Parker but did no damage. In southern Weld County\u2026 Severe thunderstorms produced widepread damage over 150 square miles of farmland. In all\u2026400 farms were directly impacted by severe weather. Damage to crops alone was estimated to 3 million dollars. At Denver International Airport\u2026a peak wind gust to 48 mph was observed from the northeast. In addition\u20261.01 inches was measured at the airport.<\/p>\n

In 2013\u2026severe thunderstorms produced large hail\u2026 ranging in size from nickel to golfball\u2026across portions of Arapahoe\u2026 Denver\u2026Elbert and Weld Counties. In addition\u2026 damaging wind gusts to 60 mph snapped large tree branches in Thornton and 3 miles west-southwest of Buckley AFB. In Bennett\u2026hail up to 1 1\/2 inches in diameter was reported. At Denver International Airport\u2026a peak wind gust to 58 mph was recorded from the northeast.<\/p>\n

In 2017…a severe thunderstorm north of Elizabeth produced hail up to 1 inch in diameter. The hail completely covered the ground.<\/p>\n

In 2019…a severe thunderstorm produced a wind gust to 60 mph at Centennial Airport. A thunderstorms produced a flash flood in southern Jefferson and southwest Denver counties. The flooding was particularly bad on southbound I-25 near 6th Avenue. One woman was rescued by a passerby in Lakewood when floodwaters began pouring into her car near Casa Bonita. Standing water up to 3 feet deep was observed on other streets in Lakewood. A homeless woman drowned near West 12th Avenue and Miller Street when she was swept away in the floodwaters. Her body was recovered the following day.<\/p>\n

20-23<\/p>\n

In 1961\u2026unusually cool weather for July resulted in several temperature records. Record minimum temperatures were set or equaled on each day with readings of 51\u202651\u202649\u2026 And 49 degrees. High temperature of only 64 degrees on the 21st was a record low maximum for the date.<\/p>\n

20-25<\/p>\n

In 1965\u2026heavy showers and thunderstorms doused metro Denver with significant rain each day. Rainfall for the six days totaled 5.16 inches at Stapleton International Airport. Massive rainfall occurred on the 20th\u202621st\u2026and 25th\u2026 Flooding streets and basements and causing streams to overflow. The heaviest rainfall\u20262.05 inches\u2026at Stapleton International Airport occurred on the 25th.<\/p>\n

21<\/p>\n

In 1879\u2026lightning struck a house in north Denver. The bolt struck the center of the roof driving part of it into the house and scattered shingles all over the yard. Furniture in the house was heavily damaged\u2026but none of the nine residents were injured other than being stunned. The noise sounded as if a cannon had been exploded. Rainfall was only 0.02 inch downtown.<\/p>\n

In 1921\u2026northwest winds were sustained to 42 mph with gusts to 48 mph.<\/p>\n

In 1943\u2026a severe thunderstorm during the evening caused the death of a man whose truck skidded on a muddy roadway on a steep hill and overturned pinning him underneath. Several small fires were started by the lightning\u2026and electrical wires were downed. No serious property damage was reported\u2026 But firemen answered 19 alarms in 2 hours. One person was injured by lightning.<\/p>\n

In 1965\u2026a funnel cloud was sighted in the northern portion of Denver. Later\u20264 or 5 funnel clouds were sighted about 15 miles north of Stapleton International Airport. Heavy rain accompanied by hail washed away part of a city street and caused other flooding in central city. There were heavy showers and some damage from lightning in both Denver and Boulder. Marble to golf ball size hail fell 10 miles northwest of Stapleton Airport.<\/p>\n

In 1966\u2026heavy thunderstorm rains flooded streets and basements across metro Denver.<\/p>\n

In 1973\u2026a tornado touched down briefly 2 miles northeast of Parker\u2026causing minor damage. Funnel clouds were also sighted 3 miles northeast of Sedalia\u202611 miles south southeast of Stapleton International Airport\u2026and near Parker. Hail to 3\/4 inch in diameter fell over the western suburbs of Denver.<\/p>\n

In 1974\u2026heavy thunderstorm rains caused flash flooding in metro Denver. Rainfall totaled 1.26 inches at Stapleton International Airport.<\/p>\n

In 1976\u2026heavy thunderstorm rains occurred across south metro Denver with 1.75 inches of rain recorded in 40 minutes in southeast Aurora and 2.00 inches in 20 minutes at Cheery Creek Reservoir. A funnel cloud was sighted by the public east of Arapahoe County Airport\u2026now Centennial Airport.<\/p>\n

In 1981\u2026the temperature reached 100 degrees\u2026setting a new record high for the date.<\/p>\n

In 1983\u2026downpours drenched the Front Range where amounts of 1 to 2 inches were common. The heaviest reported rainfall was 2.36 inches in a 6-hour period at Parker where hail to 3\/4 inch and wind gusts as high as 75 mph occurred. Up to golf ball size hail fell in the Parker and Castle Rock areas; wind gusts to 75 mph were recorded in Castle Rock.<\/p>\n

In 1993\u2026thunderstorm winds toppled a 3 story high Russian olive tree in Boulder. The tree barely hit and only slightly damaged a parked car.<\/p>\n

In 1995\u2026thunderstorm winds from the west gusted to 55 mph at Denver International Airport.<\/p>\n

In 2002\u2026heavy thunderstorm rainfall caused flash flooding in the Hayman fire burn area. South Deckers road\u2026State Highway 126\u2026was closed when 4 feet of water inundated a section of the roadway. The U.S. Forest Service had to remove 40 truckloads of sediment to reopen the road. Also\u2026heavy debris flow washed out a secondary service road in southwest Douglas County. Hail as large as 3\/4 inch in diameter fell near Bennett.<\/p>\n

In 2011\u2026lightning struck a home in Arapahoe County and caused substantial fire damage. Five people were in the home but no one was injured. There was structural damage to both the interior and exterior of the residence.<\/p>\n

22<\/p>\n

In 1874\u2026a severe thunderstorm during the late afternoon produced 1.36 inches of rainfall in an hour\u2026most of which fell in 20 minutes. There was much damage from flooding of streets and considerable damage to private property. The lightning was brilliant and continuous during the storm. Seven buildings were struck by lightning in the city\u2026in addition to many places where it struck only the ground. A magnificent example of ball lightning was observed. When about 200 feet above the house tops\u2026the ball exploded and broke into 7 or 8 different balls\u2026each about 6 inches in diameter. Upon reaching about 20 feet above the ground\u2026these balls broke into small fragments about 3 inches long and 1\/2 inch wide. A shed situated in an alley about one block away was literally covered with these sparks. After the storm was over\u2026the shed and adjacent area showed no trace of the event. Not the slightest mark could be detected on structures or on the ground.<\/p>\n

In 1879\u2026a terrific electrical storm passed over the city during the afternoon. The lightning display was unusually vivid and the crash of thunder seemed at the very house tops. A few homes and buildings were struck by lightning. A home on Capitol Hill sustained much damage to furniture\u2026 But the residents in another wing of the house were not injured. Lightning struck a fence at the corner of Curtis and Broadway. A lightning bolt stunned a workman and knocked a mason\u2019s trough from his hand. A school was struck but was not damaged. Lightning struck the ground near tenth and Colfax. Rain fell in torrents for a time\u2026but the heaviest was on the outskirts of the city. Rainfall in the city was only 0.30 inch.<\/p>\n

In 1882\u2026lightning struck and killed a man in the northern part of the city.<\/p>\n

In 1895\u2026heavy rainfall of 1.53 inches was measured in downtown Denver.<\/p>\n

In 1931\u2026the high temperature reached 100 degrees in downtown Denver.<\/p>\n

In 1965\u2026lightning struck and killed a boy standing by an automobile near Stapleton International Airport. Scattered heavy showers accompanied by hail and wind occurred across metro Denver. Heavy rain caused some street damage in Commerce City.<\/p>\n

In 1973\u2026minor thunderstorm wind damage was reported in Aurora.<\/p>\n

In 1983\u2026heavy thunderstorms dumped torrential rain and large hail across metro Denver. The most serious problems were caused by heavy rainfall in the foothills\u2026which produced flooding on bear creek. Runoff from 3 inches of rain in 45 minutes at Kittredge caused bear creek to rise 5 feet in 10 minutes at Morrison\u2026washing out two bridges. One bridge collapsed\u2026plunging a fire truck into the water\u2026but the occupants were not injured. The town was evacuated for 2 hours. Evergreen was drenched with 2.61 inches of rain in 30 minutes\u2026which caused street flooding along with power outages. Hail to golf ball size damaged cars. A deck on a house east of Evergreen was washed away. At Idaho Springs\u2026 2 inches of rain fell in 45 minutes. Golden received 3 inches of rain in an hour with 0.80 inch of rain in seven minutes at Littleton. Heavy rain and large hail also fell in the city of Denver and its northern and eastern suburbs\u2026 Causing street flooding. Water was 6 feet deep on one Aurora street.<\/p>\n

In 1991\u2026heavy rains caused extensive flooding across north metro Denver. Ralston creek in Arvada flowed out of its banks. At the intersection of I-25 and I-70\u2026up to 8 feet of water covered the highway. A foot of water covered a stretch of I-70 in northwest Denver. Thunderstorm rainfall totaled only 0.82 inch at Stapleton International Airport.<\/p>\n

In 1998\u2026lightning sparked a fire which caused extensive damage to a home in Englewood. Most of the second floor was destroyed.<\/p>\n

In 2004\u2026severe thunderstorms produced hail to 1.25 inches in diameter in Commerce City and near Brighton.<\/p>\n

In 2019…severe thunderstorms produced hail up to 1 inch in diameter…and intense thunderstorm winds in Arapahoe… Denver and Weld counties. A strong thunderstorm produced 7\/8 inch diameter hail in Douglas County. At Denver International Airport…a wet microburst that formed over the airfield produced a peak wind gust to 79 mph along with 1.10 inches of rainfall and small hail.<\/p>\n

22-23<\/p>\n

In 1991\u2026heavy rains over the palmer divide and along the Front Range caused the South Platte River to flood from near Henderson to Fort Lupton. The river was out of its banks at several locations with water covering the roads through the night. Only minor damage was reported.<\/p>\n

23<\/p>\n

In 1901\u2026the temperature climbed to a high of 90 degrees\u2026 Marking the 18th consecutive day with a high temperature of 90 degrees or more. This equaled the record of 18 consecutive days set from July 1st through July 18th in 1874.<\/p>\n

In 1910\u2026the temperature climbed to a high of 101 degrees in downtown Denver.<\/p>\n

In 1936\u2026the high temperature reached 100 degrees in downtown Denver.<\/p>\n

In 1957\u2026a tornado was observed by national weather service personnel 25 miles east-northeast of Stapleton Airport for 7 minutes. No property damage or injuries were reported. The public reported a funnel cloud 10 miles northeast of Brighton.<\/p>\n

In 1960\u2026lightning struck many locations across metro Denver. A Boy Scout leader was struck and injured at the Rocky Mountain Arsenal. Some sections of Arvada were blanketed with a white layer of hailstones. A number of weed fires were started by lightning. Some houses were struck\u2026but no serious damage occurred. Heavy rain fell from northwest Denver to Brighton with up to 1.50 inches in some areas.<\/p>\n

In 1965\u2026heavy rain flooded and damaged homes in Georgetown\u2026 Where the sewer system was damaged and the water supply contaminated. Heavy rains in Aurora washed out earthen bridges over sand creek. Streets were flooded in Denver. Several highways were washed out to the east and southeast of Denver.<\/p>\n

In 1975\u2026heavy rains caused flash flooding in the foothills west of Denver. Several roads and businesses were damaged in the central city and Blackhawk areas.<\/p>\n

In 1983\u2026heavy thunderstorms blasted Denver and areas to the south. Douglas County was hardest hit. Golf ball size hail fell in and near Parker. Many homes at the Pinery south of Parker had windows broken and paint stripped by the storm with some vehicles dented by the large stones.<\/p>\n

In Parker\u2026 1.90 inches of rain fell in just 30 minutes. Many roads in Douglas County were washed out\u2026and at least one bridge was damaged. Up to 2 inches of rain fell in Lakewood\u2026and Littleton was drenched by 1.60 inches in 15 minutes. A department store in Lakewood suffered water damage when a pipe handling runoff broke\u2026sending 4 inches of water onto the floor of the store.<\/p>\n

In 1990\u2026a thunderstorm wind gust to 53 mph was recorded at Stapleton International Airport\u2026where 1\/8 inch diameter hail fell.<\/p>\n

In 1992\u2026heavy thunderstorm rains caused Howard Gulch in southeast Denver to flow over its banks. A weather spotter recorded thunderstorm wind gusts to 63 mph in Aurora. Another spotter measured a wind gust to 60 mph\u2026which toppled a large tree. Thunderstorm winds gusted to only 41 mph at Stapleton International Airport.<\/p>\n

In 1996\u2026hail\u2026as large as an inch in diameter\u2026fell 5 miles west of Castle Rock.<\/p>\n

In 1997\u2026damaging thunderstorm winds associated with a wet microburst ripped the roof off a barn near Brighton\u2026 Causing the east side of the structure to collapse. The roof of a nearby utility shed was also lifted off and blown 60 feet away. West winds gusted to 38 mph at Denver International Airport.<\/p>\n

In 2001\u2026a severe thunderstorm pelted Littleton with hail as large as 1 1\/2 inches. Total damage to vehicles\u2026roofs\u2026 Buildings\u2026and landscaping totaled over 600 thousand dollars. Rain leaked into offices\u2026damaging computers. Almost every vehicle parked in the Littleton center lot sustained some hail damage. Thunderstorm winds gusted to 55 mph at Denver International Airport.<\/p>\n

In 2002\u2026a small tornado briefly touched down near Bennett. No damage was reported.<\/p>\n

In 2004\u2026heavy thunderstorm rainfall in the overland fire burn area caused flash flooding in Jamestown. Up to a foot of water reportedly covered the highway near Jamestown. Many of the town\u2019s culverts filled with dirt and debris\u2026 Causing the overflow to wash onto streets and into homes. Heavy machinery had to be used to remove piles of mud up to 7 feet deep. Parked cars slid down the street with the mud and water\u2026and many had to be dug out. The fire station in Jamestown was inundated with 10 inches of muddy water. Heavy thunderstorm rainfall caused street flooding in federal heights and Thornton. Several streets were inundated with 2 to 4 feet of water\u2026including 84th avenue and Grant Street\u2026Conifer Street and Huron Blvd\u2026. 102nd Ave. and Melody\u2026as well as 83rd Ave. and Washington. Several cars were stranded in the flood waters. Heavy rainfall also caused street flooding in parts of Westminster. Water reportedly flowed into car windows just north of 104th avenue and U.S. Highway 36. Sections of two roads had to be closed due to flooding. Heavy thunderstorm rainfall of up to 2 inches in 45 minutes caused flash flooding just east of Aurora. Floodwaters ranging from 2 to 3 feet deep forced the closure of Powhaten\u2026Gun Club and Picadilly roads. Lightning caused power outages in parts of Arvada. About 9800 customers were without power for up to 90 minutes.<\/p>\n","protected":false},"excerpt":{"rendered":"

Our weekly look back at Denver weather history always has interesting items but this week one stands out in particular. Denver has never officially recorded snow during the month of July. However, before official records began in 1882, the U.S. Army Signal Service weather observer reported snow on July 17, 1872! From the National Weather … Continue reading July 17 to July 23: This Week in Denver Weather History<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[63],"tags":[81,106,62,34,741],"_links":{"self":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/22526"}],"collection":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/comments?post=22526"}],"version-history":[{"count":1,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/22526\/revisions"}],"predecessor-version":[{"id":22527,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/22526\/revisions\/22527"}],"wp:attachment":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/media?parent=22526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/categories?post=22526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/tags?post=22526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}