{"id":21678,"date":"2021-07-04T04:57:41","date_gmt":"2021-07-04T10:57:41","guid":{"rendered":"http:\/\/www.thorntonweather.com\/blog\/?p=21678"},"modified":"2021-07-06T05:11:02","modified_gmt":"2021-07-06T11:11:02","slug":"july-4-to-july-10-this-week-in-denver-weather-history-2","status":"publish","type":"post","link":"https:\/\/www.thorntonweather.com\/blog\/weather-history\/july-4-to-july-10-this-week-in-denver-weather-history-2\/","title":{"rendered":"July 4 to July 10: This week in Denver weather history"},"content":{"rendered":"<p><a href=\"https:\/\/www.thorntonweather.com\/blog\/wp-content\/uploads\/2019\/11\/This-Week-in-Denver-Weather-History.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-20209\" src=\"https:\/\/www.thorntonweather.com\/blog\/wp-content\/uploads\/2019\/11\/This-Week-in-Denver-Weather-History-590x331.jpg\" alt=\"This Week in Denver Weather History\" width=\"590\" height=\"331\" srcset=\"https:\/\/www.thorntonweather.com\/blog\/wp-content\/uploads\/2019\/11\/This-Week-in-Denver-Weather-History-590x331.jpg 590w, https:\/\/www.thorntonweather.com\/blog\/wp-content\/uploads\/2019\/11\/This-Week-in-Denver-Weather-History-300x169.jpg 300w, https:\/\/www.thorntonweather.com\/blog\/wp-content\/uploads\/2019\/11\/This-Week-in-Denver-Weather-History-450x253.jpg 450w, https:\/\/www.thorntonweather.com\/blog\/wp-content\/uploads\/2019\/11\/This-Week-in-Denver-Weather-History-768x431.jpg 768w, https:\/\/www.thorntonweather.com\/blog\/wp-content\/uploads\/2019\/11\/This-Week-in-Denver-Weather-History.jpg 849w\" sizes=\"(max-width: 590px) 100vw, 590px\" \/><\/a><\/p>\n<p>As we pointed out in our July weather preview, the month is not only our hottest but it is also the stormiest.\u00a0 Scorching summer heat is certainly evident when we look back at this week in Denver weather history.\u00a0 Perhaps more notable is the severe weather we have seen with everything from hail, damaging wind, dangerous lightning and deadly flooding having occurred.<\/p>\n<p>29-15<\/p>\n<p>In 2000\u2026the 29th marked the beginning of a near record hot streak for metro Denver.\u00a0 The high temperatures\u2026as recorded at Denver International Airport\u2026exceeded the 90 degree mark for 17 consecutive days from June 29th through July 15th. The record of 24 consecutive 90 degree or above days was set from July 13th through August 5th\u20262008.<\/p>\n<p>1-18<\/p>\n<p>In 1874\u2026a streak of 18 consecutive days of 90 degrees tied for second with another streak that was later set in the summer of 1901. The record of 24 consecutive days was established in the summer of 2008.<\/p>\n<p>1-31<\/p>\n<p>In 2012&#8230;it was the hottest July on record in Denver since weather records began in 1872. The average temperature for the month was 78.9 degrees which was 4.7 degrees above normal. There were 27 days in which the high temperature equaled or exceeded 90 degrees&#8230;which established a new record. There were also 7 days in which the temperature equaled or exceeded 100 degrees which tied the record set in 2005.<\/p>\n<p>4<\/p>\n<p>In 1874\u2026the temperature reached a high of 102 degrees in downtown Denver.\u00a0 Large forest fires in the mountains from the west-northwest to the south filled the atmosphere over the city with dense smoke.<\/p>\n<p>In 1885\u2026a thunderstorm produced sustained winds to 44 mph with gusts to 60 mph.\u00a0 A circus tent was tattered by the strong winds.<\/p>\n<p>In 1900\u2026a thunderstorm produced northwest winds sustained to 42 mph with gusts to 51 mph\u2026but only 0.05 inch of rain.<\/p>\n<p>In 1903\u2026the all time lowest temperature ever recorded in July\u202642 degrees\u2026occurred. The temperature also occurred on July 31\u20261873.<\/p>\n<p>In 1910\u2026thunderstorm winds were sustained to 42 mph from the southwest.<\/p>\n<p>In 1922\u2026thunderstorm winds were sustained to 37 mph with gusts to 48 mph.<\/p>\n<p>In 1956\u2026a thunderstorm wind gust to 54 mph was recorded at Stapleton Airport.<\/p>\n<p>In 1964\u2026several men were knocked down by a bolt of lightning while playing golf in south metro Denver.\u00a0 They got up and ran for cover when one of them was struck by a second bolt. He suffered burns and shock.<\/p>\n<p>In 1987\u2026a weak tornado was observed for 6 minutes\u20267 miles northeast of Watkins.\u00a0 Hail 3\/4 to 1 1\/4 inches in diameter fell in southeast Aurora.<\/p>\n<p>In 1988\u2026lightning struck a group of people at the Jefferson County fairgrounds.\u00a0 A 42-year-old woman was seriously injured and was hospitalized for 3 days.\u00a0 Four other people sustained minor injuries.<\/p>\n<p>In 1993\u2026strong northwest winds uprooted several trees across metro Denver.\u00a0 Wind gusts to 64 mph were reported at Erie north of Denver.\u00a0 A west wind gust to 43 mph was recorded at Stapleton International Airport.<\/p>\n<p>In 1995\u2026lightning struck and injured two people standing in a field in Arvada.<\/p>\n<p>In 1998\u2026heavy thunderstorm rain\u2026up to 2.75 inches\u2026and marble size hail combined to flood local roads and fields near Roggen.<\/p>\n<p>In 2002\u2026heavy thunderstorm rain in the Hayman Fire burn area caused flash flooding.\u00a0 In Jefferson County\u2026gulch road was washed out.\u00a0 In Douglas County\u2026high water washed out some forest access roads as well\u2026generally to the east of a line extending from Signal Butte to Deckers.<\/p>\n<p>In 2010&#8230;intense thunderstorms produced torrential rainfall&#8230; \u00a0in excess of 5 inches in one hour&#8230;and caused flash flooding \u00a0in the vicinity of Elizabeth.\u00a0 Numerous county roads were \u00a0washed out.\u00a0 The combination of heavy rain and hail made it \u00a0necessary to run snow plows through town.\u00a0 Extensive \u00a0basement flooding was also reported.\u00a0 Severe thunderstorms \u00a0produced large hail from Aurora south to Elizabeth and \u00a0Larkspur.\u00a0 The hail size ranged from 1 to 2 inches in \u00a0diameter.\u00a0 A wet microburst produced 1.84 inches of rainfall \u00a0at Denver International Airport.\u00a0 A peak wind gust to 48 mph \u00a0was also observed from the northeast.<\/p>\n<p>In 2017&#8230;a microburst produced a wind gust to 61 mph&#8230;about 13 \u00a0miles east-northeast of Denver International Airport.<\/p>\n<p><span id=\"more-2836\"><\/span>4-5<\/p>\n<p>In 1875\u2026nearly every railroad running into the city was damaged by heavy thunderstorm rains.\u00a0 The heavy rains washed out wooden bridges over normally dry creeks. Some trains were entirely suspended.\u00a0 In the city\u2026heavy thunderstorm rain totaled 1.05 inches on the 4th\u2026but only 0.28 inch on the 5th.<\/p>\n<p>4-8<\/p>\n<p>In 1989\u2026one of the most intense heat waves on record roasted metro Denver.\u00a0 The temperature reached 100 degrees or more on 5 consecutive days.\u00a0 The city had previously never recorded more than 2 straight 100-degree days since records began in 1872.\u00a0 Water and electricity usage reached all time highs.\u00a0 The heat wave created extremely dry weather conditions\u2026which contributed to a major forest fire in Boulder canyon on July 9th.\u00a0 The temperature reached 103 degrees on the 8th\u2026and the mercury climbed to 101 degrees on both the 4th and 5th\u2026and to 102 degrees on both the 6th and 7th.\u00a0 The low temperature of 68 degrees on the 8th equaled the record high minimum for the date.<\/p>\n<p><!--more-->5<\/p>\n<p>In 1908\u2026a late evening thunderstorm produced sustained north winds to 40 mph\u2026hail\u2026and 0.45 inch of precipitation.<\/p>\n<p>In 1949\u2026a dust devil\u2026possibly a small tornado\u2026was observed 3 miles to the northwest of Stapleton Airport.<\/p>\n<p>In 1973\u2026the temperature reached 100 degrees at Stapleton International Airport.<\/p>\n<p>In 1974\u2026strong thunderstorm winds damaged a mobile home\u2026a barn\u2026two houses\u2026and several sheds near Watkins.<\/p>\n<p>In 1975\u2026a thunderstorm wind gust to 53 mph was recorded at Stapleton International Airport.\u00a0 Hail up to 3\/4 inch in diameter fell over the northwest suburbs and in northwest Denver.<\/p>\n<p>In 1977 three houses in Denver were struck by lightning. Some heavy damage and fire occurred.<\/p>\n<p>In 1990\u2026lightning caused minor damage to houses in Castle Rock\u2026Louviers\u2026and Littleton.<\/p>\n<p>In 1996\u2026lightning caused only minor damage when it struck a home in Evergreen.\u00a0 Lightning from a fast moving thunderstorm blasted a large hole in the side of a house in Lakewood.\u00a0 Lightning triggered a minor power outage in the Boulder area.\u00a0 About 200 homes were affected.<\/p>\n<p>In 2001\u2026severe thunderstorm winds gusted to 60 mph at Denver International Airport and to 70 mph\u20267 miles southwest of the airport.<\/p>\n<p>In 2008\u2026microburst winds downed a large tree and some power lines near a Denver apartment complex.\u00a0 Several of the tenants\u2019 vehicles were damaged.<\/p>\n<p>In 2009\u2026a wet microburst produced very strong winds in and just east of Denver.\u00a0 A peak wind gust of 69 mph was measured 1.5 miles east of Denver.\u00a0 In addition\u20261.50 inches of rain fell in 30 minutes.\u00a0 A peak wind gust to 68 mph was also observed near Byers.\u00a0 Southwest winds gusted to 31 mph at Denver International Airport.\u00a0 The airport also received 0.30 inches of rainfall.<\/p>\n<p>6<\/p>\n<p>In 1876\u2026the high temperature reached 101 degrees in downtown Denver.<\/p>\n<p>In 1943\u2026four people were injured by lightning in Denver during a severe early evening thunderstorm.\u00a0 At least two houses were set on fire by the lightning.\u00a0 One house had $1500 in damage and the other $1000.<\/p>\n<p>In 1959\u2026wind and lightning caused some damage in metro Denver.\u00a0 Wind gusts to 67 mph blew down power lines\u2026signs\u2026 And trees.\u00a0 Lightning struck several transformers\u2026leaving many areas without power.<\/p>\n<p>In 1971\u2026a microburst wind gust to 68 mph was recorded at Stapleton International Airport.<\/p>\n<p>In 1973\u2026the temperature reached a high of 103 degrees. This was the second consecutive day with a temperature of 100 degrees or more.<\/p>\n<p>In 1984\u2026a weak tornado moved through eastern Aurora.\u00a0 About 10 homes sustained minor damage to roofs; some sections of fence were thrown more than a block.\u00a0 Soft hail\u2026an inch in diameter\u2026fell over central Aurora\u2026and 1.35 inches of rain fell in just 45 minutes\u20265 miles east of Buckley Field. Torrential rain and hail stopped traffic on I-225 in central Aurora for 15 minutes.\u00a0 Street flooding was widespread.\u00a0 A wind gust to 57 mph was recorded in southeast Aurora.\u00a0 A wind gust to 66 mph was reported at Front Range airport near Bennett.\u00a0 Northwest winds gusted to 44 mph at Stapleton International Airport where only 1\/8 inch hail fell.<\/p>\n<p>In 1986\u2026one inch diameter hail fell near conifer in the foothills west of Denver.\u00a0 The storm produced 1.50 inches of rain in an hour with a storm total of 2.15 inches.\u00a0 Nearby buffalo creek was drenched with 0.80 inch of rain in just 10 minutes.<\/p>\n<p>In 1996\u20263\/4 inch diameter hail fell in Bennett\u2026east of Denver.\u00a0 Hail\u2026as large as 1 1\/2 inches in diameter\u2026 Damaged several vehicles in the parking lot of the Colorado speedway race track near Dacono north of Denver. Several trees were also damaged.<\/p>\n<p>In 2001\u2026a severe thunderstorm wind gust to 59 mph was recorded at Denver International Airport\u2026along with small hail.<\/p>\n<p>In 2009\u2026hail up to 1 inch in diameter was observed near Longmont.<\/p>\n<p>In 2010&#8230;heavy rain caused flash flooding near Interstate 70 \u00a0at the Byers exit.\u00a0 Two feet of water was observed moving \u00a0across the bottom of exit ramp.\u00a0 One car was washed into a \u00a0tree but no one was injured.\u00a0 In addition&#8230;severe \u00a0thunderstorms produced hail up to 1 1\/2 inches in diameter \u00a0near Franktown.\u00a0 At Denver International Airport&#8230;only 0.01 \u00a0inches of rainfall was observed.\u00a0 A peak wind gust to 45 \u00a0mph from the west was also recorded.<\/p>\n<p>6-23<\/p>\n<p>In 1901\u2026a streak of 18 consecutive days of 90 degrees tied for second with another streak set in the summer of 1874. The record of 24 consecutive days was established in the summer of 2008.<\/p>\n<p>7<\/p>\n<p>In 1905\u2026a thunderstorm produced sustained northeast winds to 40 mph\u2026but only a trace of rain.<\/p>\n<p>In 1933\u2026heavy cloudbursts during the afternoon in the Idledale area and on Saw Mill Gulch caused flash flooding on Bear Creek resulting in 7 deaths.\u00a0 Flooding in Morrison was compounded when a wall of water as high as 15 feet swept down Mount Vernon Creek.\u00a0 The flooding caused extensive damage to the bear creek canyon highway.<\/p>\n<p>In 1959\u2026wind gusts to 45 mph at Stapleton Airport\u2026but higher in other areas\u2026damaged power lines and buildings and caused widespread minor damage from falling trees and broken limbs. A field house under construction at Adams County high school in Commerce City sustained severe damage.<\/p>\n<p>In 1963\u2026farm buildings east of Boulder were possibly damaged by a small tornado as there were unconfirmed reports of a funnel cloud in the area.<\/p>\n<p>In 1967\u2026a storm of cloudburst proportion caused damage from flooding in southwest and south Denver.\u00a0 Unofficial reports indicated rainfall of 2.00 inches in 30 minutes and more than 3.00 inches total from the storm.\u00a0 Streets and buildings were flooded by the heavy run-off.\u00a0 Hail in some areas contributed to flooding by blocking storm drains. Water accumulated 12 to 14 feet deep in several underpasses and some street intersections.\u00a0 A young woman drowned when she tried to cross a flooded street and was swept off her feet and trapped under a parked car.\u00a0 Water reached a depth of 5 feet in the street.\u00a0 Police rescued numerous stranded motorists.\u00a0 The roof and wall of a flat roofed store building collapsed under the weight of deep water on the roof.\u00a0 Cars were washed over curbs in many areas.\u00a0 In southwest metro Denver\u2026100 to 150 homes were flooded. Hail caused damage in other areas of Denver and in Aurora. Wind toppled trees in several areas.\u00a0 Snowplows were called out to clear hail from some highways and runways at Stapleton International Airport.\u00a0 Lightning damaged trees and power lines and started a fire\u2026which extensively damaged an automobile dealership.\u00a0 Thunderstorm rainfall totaled 0.83 inch at Stapleton International Airport.<\/p>\n<p>In 1981\u2026severe thunderstorms produced 3\/4 inch hail over east Denver.\u00a0 About 1 1\/2 inches of rain fell in Littleton.\u00a0 Thunderstorm winds gusted to 45 mph at Stapleton International Airport.<\/p>\n<p>In 1983\u2026tennis ball size hail fell about 5 miles north of Boulder; it was soft and caused no damage.<\/p>\n<p>In 1987\u2026a weak tornado touched down in Castle Rock.\u00a0 Several weak tornadoes were observed in the area.\u00a0 No damage was reported.<\/p>\n<p>In 1988\u2026lightning struck a sign at a bank near Louisville\u2026 Damaging it and causing a smoldering fire that resulted in smoke damage to the bank and an adjacent building.\u00a0 Heavy thunderstorm rain\u2026accompanied by 1\/2 inch diameter hail at Stapleton International Airport\u2026briefly reduced the visibility to 1\/4 mile.\u00a0 Rainfall totaled 1.41 inches\u2026 But 1.12 inches fell in 32 minutes.<\/p>\n<p>In 2001\u2026severe thunderstorms dumped large hail across north metro Denver.\u00a0 Hail to 1 3\/4 inches in diameter fell near erie with 7\/8 inch hail measured in Thornton.<\/p>\n<p>In 2004\u2026a 9-year-old boy was struck by lightning while at a playground in Arvada.\u00a0 The umpire at a nearby baseball game\u2026along with 2 passers-by\u2026administrated CPR and resuscitated the boy who had quit breathing.\u00a0 The boy suffered first and second degree burns\u2026but was released from the hospital in less than 24 hours.\u00a0 A dry microburst over Denver International Airport produced a peak wind gust to 61 mph.<\/p>\n<p>In 2006\u2026up to 3 inches of heavy thunderstorm rainfall in the Hayman wildfire burn area produced destructive flash flooding along west creek between the towns of Deckers and Westcreek in southwest Douglas County.\u00a0 Horse creek\u2026which drains into west creek\u2026swelled from a normally small creek into a raging torrent\u202625 to 30 feet deep and 300 feet wide. The wall of water damaged or destroyed about 30 sections of a 5 mile stretch of State Highway 67\u2026which parallels west creek.\u00a0 Several homes were extensively damaged or destroyed. No injuries were reported\u2026but several people had to be rescued\u2026due to extensive damage to access roads and bridges in the area.\u00a0 Reconstruction was estimated at 13.3 million dollars.<\/p>\n<p>In 2011&#8230;Heavy rain associated with a wet microbursts produced over 3 inches of rain in 90 minutes across southeast Denver. In Denver&#8230;some underpasses were flooded with several feet of water which stranded motorists. As a result&#8230;the fire department conducted at least 10 water rescues. Some basements were inundated with up to 4 feet of water which caused extensive flood damage. The Platte Valley and Western Model Railroad Club`s model train display in Union Station was also damaged when 3 to 4 inches of mud and water spilled over some of the command and control systems. Several display modules and scenery pieces in a storage room were also damaged. The entire display spanned more than one thousand feet of track in a room that was once used as the jail at Union Station in the 1900s. Urban and small stream flooding was reported across the surrounding Denver suburbs. The storm left about 28000 Xcel customers without power when the storm snapped trees and power lines. In addition&#8230;heavy rain produced flash flooding in the Four Mile Canyon burn scar. Four debris slides occurred along Four Mile Canyon Drive&#8230;including one that was 100 yards wide and 4 feet deep. Several rockslides were reported in Lefthand and Boulder Canyons. At Denver International Airport&#8230;1.04 inches of rain was observed. A peak wind gust of 46 mph from the southeast was also observed.<\/p>\n<p>In 2012&#8230;heavy rain produced flash flooding in Boulder County near Jamestown. James Canyon Drive was closed after heavy rain washed out a section of the roadway. Heavy rain washed out a section of Magnolia Road&#8230;east-southeast of Nederland. Nearby&#8230;a trained spotter 4 miles east-northeast of Nederland&#8230; measured 2.20 inches of rainfall. Flash flooding was also reported in the Fourmile burn area along Summerville Road. In Dacono&#8230;in southern Weld County&#8230;the Colorado Department of Transportation used snowplows to clear standing water&#8230;up to 6 inches deep&#8230;from a section of Interstate 25. The interstate was closed in both directions for nearly two hours. South of the Denver&#8230;in central Douglas County&#8230;flash flooding was reported near Perry Park&#8230;where 2.5 inches of rain fell in one hour.<\/p>\n<p>In 2014&#8230;an Arvada resident was injured by a nearby lightning strike while he recorded a video of a thunderstorm with his cell phone. He was standing in his garage&#8230;when a nearby lightning bolt knocked him out. He suffered overall body aches and had a ringing sensation in one of his ears. In Denver&#8230; lightning caused a power outage that affected the RTD light rail lines for a short time. In Castle Pines&#8230;lightning sparked a small attic fire. Severe thunderstorms produced large hail&#8230;from quarter to golfball size&#8230;and damaging winds across Arapahoe&#8230;Boulder and Jefferson Counties including: northwest Arvada&#8230;Littleton and Louisville. Flash flooding was reported near Evergreen in central Jefferson County. Heavy rain&#8230;up to 2 inches in one hour&#8230;flooded several residences and washed out several bridges along Forest Estate Road. Heavy rainfall also produced street flooding in Denver along with some basement flooding. The strong winds&#8230;estimated to 60 mph&#8230; downed trees and power lines in southwest Littleton. At Denver International Airport&#8230;0.15 inches of rainfall was observed along with a peak wind gust to 42 mph from the southeast.<\/p>\n<p>7-25<\/p>\n<p>In 1934\u2026a streak of 15 consecutive days of 90 degrees ranked 5th on the list of hot streaks.\u00a0 The record of 24 consecutive days was established in the summer of 2008.<\/p>\n<p>8<\/p>\n<p>In 1905\u2026a thunderstorm produced 0.82 inch of rainfall and northeast winds sustained to 48 mph.<\/p>\n<p>In 1977\u2026strong winds turned over 2 light aircraft at Arapahoe County airport\u2026now centennial airport.<\/p>\n<p>In 1987\u2026a weak tornado was observed near Bennett.<\/p>\n<p>In 1988\u2026three separate tornadoes were sighted near Bennett. No damage was reported.\u00a0 One inch diameter hail was also reported.<\/p>\n<p>In 1991\u2026lightning started three house fires in Castle Rock. Damage totaled 13 thousand dollars.\u00a0 No injuries were reported.<\/p>\n<p>In 1993\u2026a dry thunderstorm microburst wind gust to 55 mph briefly reduced the surface visibility to 3 miles at Stapleton International Airport.<\/p>\n<p>In 1997\u2026one construction worker was killed and two others injured when a strong thunderstorm wind gust caused the scaffolding they were standing on to collapse near Parker. A dry microburst produced a wind gust to 54 mph at Denver International Airport.<\/p>\n<p>In 1998\u2026heavy thunderstorm rain forced the closure of Hampden Avenue between I-25 and Havana Sin southeast Denver.\u00a0 The high water made 2 or 3 lanes of the street impassable.<\/p>\n<p>In 2001\u2026severe thunderstorms produced large hail\u2026damaging winds\u2026and heavy rain across south metro Denver.\u00a0 Two people received minor injuries when a severe thunderstorm wind gust to 58 mph blew over several tents at the Cherry Creek arts festival.\u00a0 The same storm caused the roof of a hardware store in Tamarac Square to collapse.\u00a0 One employee received minor injuries when she was struck in the head by falling debris.\u00a0 The combination of intense rain and wind downed trees and power lines.\u00a0 Electrical power outages affected 35 thousand homes and businesses.\u00a0 At least 50 trees in city parks across south Denver were damaged.\u00a0 Up to 4.50 inches of thunderstorm rain fell across portions of southeast metro Denver.\u00a0 The underpass at I-25 and Parker Road was inundated with 5 feet of water.\u00a0 Several other streets and underpasses in Aurora were also closed due to high water.\u00a0 Heavy rain caused extensive damage to several exhibits at the Cherry Creek Arts Festival.\u00a0 Flash flooding occurred when heavy thunderstorm rainfall caused toll gate creek to jump its banks.\u00a0 Several underpasses across south Denver had to be closed due to high water.\u00a0 A man received minor injuries when lightning struck a nearby tree at the Wellshire Golf Course.\u00a0 Hail as large as 1 1\/4 inches in diameter fell in Englewood with 1 inch hail in the city of Denver\u2026and 3\/4 inch hail in Littleton.\u00a0 Thunderstorm winds gusted to 63 mph at Denver International Airport and to 62 mph in Englewood.<\/p>\n<p>In 2005\u2026a tornado touched down briefly near Brighton\u2026but caused no damage.<\/p>\n<p>In 2011&#8230;severe thunderstorms produced hail&#8230;up to 1 inch in diameter&#8230;and wind gusts to 60 mph across parts of Adams&#8230;Broomfield and Denver Counties. At Denver International Airport&#8230;a peak wind gust to 59 mph from the west.<\/p>\n<p>In 2017&#8230;a strong thunderstorm produced hail up to 7\/8 inch in diameter in southwest Denver.<\/p>\n<p>9<\/p>\n<p>In 1872\u2026a very brisk wind between 2:00 pm and 3:00 pm spread a cloud of dust and sand into the city.<\/p>\n<p>In 1874\u2026northeast winds at sustained speeds up to 36 mph blew immense clouds of dust from the prairie through the streets of the city around mid-morning.\u00a0 The houses across the street from the weather station were not visible at the peak of the storm.<\/p>\n<p>In 1875\u2026heavy thunderstorm rains caused stream flooding\u2026 Which damaged nearly all railroads into the city.\u00a0 Rainfall in the city was only 0.14 inch.<\/p>\n<p>In 1953\u2026heavy thunderstorm rains caused an estimated 2 million dollars damage from flooded stores and basements across metro Denver.\u00a0 The flood waters reached a depth of 3 feet on streets in some sections of the city\u2026damaging streets and automobiles.\u00a0 The heavy rainfall at Lowry Air Force Base totaled 3.90 inches.\u00a0 At Stapleton Airport where the heavy rain briefly reduced the surface visibility to 1\/2 mile\u2026only 1.05 inches of rain were measured.\u00a0 North winds gusting to 52 mph caused some damage in east Denver.<\/p>\n<p>In 1982\u2026two small tornadoes were spotted east of Rocky Flats\u2026 And a tornado touched down briefly 5 miles east of Brighton. No damage was reported.<\/p>\n<p>In 1984\u2026heavy rain fell over southern sections of metro Denver.\u00a0 Rainfall totaled 1.50 inches in just 15 minutes between Littleton and Sedalia.<\/p>\n<p>In 1987\u2026a thunderstorm microburst produced a wind gust of 58 mph at Erie north of Denver.<\/p>\n<p>In 1988\u2026hail to 3\/4 inch in diameter piled up 2 to 4 inches deep in Idaho Springs.\u00a0 Some basements were flooded and several thousand gallons of fuel were contaminated when water flooded a gasoline storage tank.\u00a0 A tornado sighted near Manilla 5 miles west of Bennett remained on the ground for 9 minutes.\u00a0 No damage was reported.<\/p>\n<p>In 1990\u2026a severe thunderstorm produced a tornado and heavy rain over northeast metro Denver.\u00a0 As much as 4 inches of rain fell in just 20 minutes in Commerce City\u2026causing the South Platte River to rise quickly and flood lowland areas. The raging flood waters caused extensive damage to a 30-foot stretch of railroad track embankment\u2026destroyed a railroad trestle and a nearby garage\u2026and washed away a vintage 1960\u2019s show car near east 58th Avenue and York Street.\u00a0 The car was found a couple of miles downstream in a pool of deep mud and murky water.\u00a0 Rainfall totaled 1.34 inches at Stapleton International Airport where 1\/2 inch diameter hail fell.\u00a0 The same thunderstorm produced a brief tornado in a vacant field near 64th Avenue and Tower Road just east of the Rocky Mountain Arsenal.\u00a0 No damage was reported from the twister.\u00a0 Lightning from the storm caused power outages to as many as 7 thousand homes and businesses.<\/p>\n<p>In 1996\u2026a tornado (f0) was reported 5 miles south of Hudson. No damage was reported.\u00a0 Twin weak tornadoes (f0) formed for a short time near the northeast runways at Denver International Airport.\u00a0 Less than 15 minutes later\u2026a weak tornado (f0) touched down in the employee parking lot at dia.\u00a0 Several car windows were blown out\u2026and a few vehicles sustained minor body damage from flying debris.\u00a0 Several signs were also blown down.\u00a0 Later\u2026twin weak tornadoes (f0) touched down again in open country between DIA and Watkins.<\/p>\n<p>In 2004\u2026severe thunderstorms produced hail to 3\/4 inch in diameter near tiny town and wind gusts to 66 mph in Bennett. A thunderstorm wind gust to 56 mph was measured at Denver International Airport.<\/p>\n<p>In 2005\u2026a thunderstorm produced a wind gust to 54 mph at Denver International Airport.<\/p>\n<p>9-10<\/p>\n<p>In 1980\u2026a series of severe thunderstorms hit metro Denver\u2026 Dumping heavy rain and producing a spectacular lightning display lasting for several hours.\u00a0 A number of homes were damaged by lightning.\u00a0 Winds gusted to 60 mph at Stapleton International Airport where about half an inch of rain fell in just 10 minutes along with 1\/4 inch diameter hail.\u00a0 The evening thunderstorms continued into the early morning hours with total rainfall of 1.35 inches at Stapleton International Airport.<\/p>\n<p>In 1998\u2026thunderstorm rainfall totaled 2.04 inches at the site of the former Stapleton International Airport.<\/p>\n<p>10<\/p>\n<p>In 1878\u2026a lunar rainbow was observed during a light mist and fog.<\/p>\n<p>In 1895\u2026the temperature warmed to a high of only 53 degrees\u2026 The all-time record lowest maximum temperature for the month of July.<\/p>\n<p>In 1967\u2026golf ball size hail damaged aircraft at Jefferson County Airport near Broomfield.<\/p>\n<p>In 1983\u2026two people were injured when struck by lightning just southwest of Morrison.\u00a0 A man was injured when he was swept downstream by a flash flood on a tributary of clear creek in the canyon 8 miles west of Golden.\u00a0 Heavy thunderstorm rains caused mudslides which closed several roads.\u00a0 Rainfall amounts included:\u00a0 1.75 inches in 20 minutes in southeast Denver\u20261.26 inches in 35 minutes in Boulder\u20262.14 inches in 2 hours in Lakewood\u20261.70 inches in 45 minutes in Aurora\u2026and 1.25 inches in 30 minutes atop Floyd Hill in the foothills west of Denver.<\/p>\n<p>In 1992\u2026storm spotters reported 3\/4 inch diameter hail near the construction site of the new Denver airport just northeast of the city.<\/p>\n<p>In 1995\u2026microburst winds toppled a pine tree 60 feet high and 2 feet in diameter in Denver.\u00a0 The tree fell and injured a man nearby.\u00a0 Microburst winds to 59 mph broke the glass on a door at the national weather service forecast office at the site of the former Stapleton International Airport.<\/p>\n<p>In 1998\u2026thunderstorm rainfall totaled 2.35 inches at Denver International Airport.<\/p>\n<p>In 2000\u2026three children were injured\u2026one critically\u2026when lightning hit a nearby tree at panorama point atop Flagstaff Mountain just west of Boulder.\u00a0 Lightning hit the tree\u2026entered the ground\u2026then struck the children. Lightning sparked a grassfire that burned about 50 acres at the Rocky Flats Environmental Test Facility.\u00a0 Also\u2026 Lightning sparked at least 6 fires in the Hudson and Keenesburg areas as thunderstorms\u2026accompanied with heavy rain\u2026large hail\u2026and tornadoes\u2026moved through southern weld County.\u00a0 Over 2 inches of very heavy rain caused flooding along an I-76 exit ramp near Keenesburg.\u00a0 The fire department rescued 15 stranded motorists as high water inundated sections of the exit ramp and adjacent highway.\u00a0 Basements were also flooded in Keenesburg. One home reportedly had 7 feet of standing water in the basement before the rain subsided.\u00a0 A weak tornado (f0) touched down briefly near Brighton\u2026but caused no damage.<\/p>\n<p>In 2001\u2026a severe thunderstorm dumped 7\/8 inch diameter hail in wheat ridge.<\/p>\n<p>In 2002\u2026severe thunderstorms pelted the southern suburbs of metro Denver with large hail.\u00a0 Hail as large as 3 inches in diameter fell 6 miles southeast of Parker. Other large hail reports included 2 inch diameter hail around centennial airport and 3\/4 inch hail near Sedalia and Deckers.\u00a0 Hail as large as 3\/4 inch was also reported in Broomfield.\u00a0 Runoff from heavy thunderstorm rainfall in the Hayman Fire burn area flooded lost creek ranch with up to 18 inches of water just off State Highway 126.\u00a0 Floodwaters damaged a very expensive rug in the lodge.\u00a0 A driveway to a residence was washed away.\u00a0 In Douglas County\u2026runoff damaged forest access roads in the turkey creek drainage.<\/p>\n<p>In 2011&#8230;a severe thunderstorm produced intense microburst winds in southeast Boulder County. A peak wind gust to 75 mph was recorded in Superior with gust to 58 mph&#8230;2 miles south of Lafayette. At Denver International Airport&#8230;a peak wind gust of 31 mph was recorded.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>As we pointed out in our July weather preview, the month is not only our hottest but it is also the stormiest.\u00a0 Scorching summer heat is certainly evident when we look back at this week in Denver weather history.\u00a0 Perhaps more notable is the severe weather we have seen with everything from hail, damaging wind, &hellip; <a href=\"https:\/\/www.thorntonweather.com\/blog\/weather-history\/july-4-to-july-10-this-week-in-denver-weather-history-2\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">July 4 to July 10: This week in Denver weather history<\/span> <span class=\"meta-nav\">&rarr;<\/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\/21678"}],"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=21678"}],"version-history":[{"count":2,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/21678\/revisions"}],"predecessor-version":[{"id":21680,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/posts\/21678\/revisions\/21680"}],"wp:attachment":[{"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/media?parent=21678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/categories?post=21678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.thorntonweather.com\/blog\/wp-json\/wp\/v2\/tags?post=21678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}