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NOUS45 KBOU 260045
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Public Information Statement
National Weather Service Denver/Boulder CO
645 PM MDT SAT MAY 25 2024

...This week in metro Denver weather history...

18-26 In 2023...smoke and haze from massive wildfires in Canada
        significantly impacted air quality and visibility across
        Denver and the rest of northeast Colorado.
20-27 In 2002...lightning sparked a wildfire near Deckers the
        continued from the 20th to the 27th.  Extremely dry
        conditions and very strong winds the following day allowed
        the fire...known as the Schoonover...to consume 3850 acres
        before it could be contained.  Thirteen structures were
        destroyed...including 4 homes...resulting in 2.2 million
        dollars in damage.
24-26 In 1996...from the 24th to the 26th...a late spring storm
        dumped 4 to 10 inches of snow over the Front Range
        foothills.  Conifer picked up 10 inches of new snow;
        Aspen Springs...9 inches; and Central City...8 inches.
        The sticky...heavy snow clung to power lines and pulled
        tree branches down...causing power outages to about
        1200 homes in the Conifer area.  It took
        up to 6 hours to restore power to some residences.
        Lightning struck a telephone data cabinet in Conifer on
        the 25th...which knocked out phone service to about 1500
        customers.  Widespread rain fell across metro Denver...
        where rainfall totaled 2.07 inches at the site of the
        former Stapleton International Airport and 1.66 inches at
        Denver International Airport where north winds gusted to
        24 mph on the 26th.
      In 2010...from the 24th to the 26th...high winds preceding a
        cold front...swept across the Front Range Foothills and
        Urban Corridor.  In Aurora...the wind damaged the roof of
        Rangeview High School.  In Conifer and Denver...the wind
        downed trees and power lines and caused several brief
        outages.  The downed power lines also caused several cars
        to catch fire in the vicinity of 1590 Cook St. in Denver.
        Peak wind gusts included:  82 mph at Highlands Ranch...67
        mph...4 miles east of Franktown and Longmont; 65 mph in
        Boulder...64 mph in Centennial and Denver International
        Airport...62 mph near Parker and 60 mph in Arvada.
25-26 In 1950...from the 25th to the 26th...a major storm dumped 10.0
        inches of snowfall downtown and 10.7 inches at Stapleton
        Airport where northwest winds gusted to 30 mph on the 25th.
        The storm  caused extensive damage to utility wires and
        trees which were in full leaf.  A daily record minimum
        temperature of 31 degrees occurred on the 25th.  This was
        the coldest temperature on this date in 79 years and for so
        late in the season.
      In 1989...from the 25th to the 26th...a late season storm
        dropped snow as low as 6 thousand feet along the Front Range.
        Most places in the foothills had 2 to 5 inches of snow.
        Overnight rainfall totaled 0.33 inch at Stapleton
        International Airport where north winds gusted to 37 mph on
        the 25th.
      In 1994...overnight from the 25th to the 26th...lightning
        struck a television transmitter on Lookout Mountain near
        Golden and burned out a switcher...which disrupted cable
        service for 2 hours.
26    In 1897...apparent post-frontal north winds were sustained to
        42 mph with gusts as high as 48 mph.
      In 1942...the all-time highest recorded temperature in May...95
        degrees...occurred.
      In 1978...two children were struck and killed by lightning on
        a junior high school playground in Parker.
      In 1987...1 inch diameter hail fell near Boulder and
        Bennett.  The hail was fairly soft and caused no damage.
      In 1993...dry thunderstorms produced wind gusts to 81 mph at
        Jefferson County Airport near Broomfield.  Several trees
        were blown down by the strong winds.  Microburst winds
        gusted to 51 mph at Stapleton International Airport.
      In 1995...a woman was injured in Littleton when the car she
        had just entered was struck by lightning.  All of the
        windows in the car were blown out by the strike.  A funnel
        cloud was sighted near Littleton.
      In 2000...a strong microburst wind gust to 92 mph flipped a
        small airplane on its back and blew a DC-3 loose from its
        moorings...which allowed it to roll onto a grassy field at
        Front Range Airport near Watkins.
      In 2010...severe thunderstorms pounded parts of the Urban
        Corridor with very large hail...heavy rain...damaging winds
        and a tornado.  The hail...ranging in size from 1 inch to
        2 3/4 inches in diameter...struck Brighton...Commerce City
        and northeast Denver the hardest. The storms continued to
        spread destruction to the north and east...impacting
        Byers...Hudson...Deer Trail and Prospect Valley.  The
        combination of hail and wind stripped the bark and
        branches from trees.  Numerous accidents were reported
        as the hail accumulated up to a foot deep.  Snowplows
        were called out to clear the roadways.  Flash flooding
        occurred along State Highway 52 between Hudson and
        Keenesburg...and forcing the closure of the highway.
        Widespread crop damage was also reported as the area
        was inundated with up to 18 inches of water.  Extensive
        damage to homes...businesses and automobiles was
        reported with the damage estimated to be around 70
        million dollars.  A tornado touched down near Denver
        International Airport...but did no damage.  Lightning
        struck a child in Commerce City while she was watching
        television.  She suffered minor injuries to her leg.
        At the Rocky Mountain Arsenal Wildlife Refuge...a
        lightning strike killed a bison.  At Denver International
        Airport...only 0.01 inch of rainfall was observed...along
        with a peak wind gust to 48 mph from the southeast.
      In 2016...severe thunderstorms produced hail up to one inch
        in diameter near Castle Rock...The Pinery and Watkins.
      In 2019...severe thunderstorms broke out across parts of
        Adams...Arapahoe...Denver...and southern Weld counties during
        the late afternoon and early evening. The hail ranged
        from 1 to 1 1/2 inch in diameter.  At Denver International
        Airport...up to 3 inches of hail accumulated on runway
        surfaces. Consequently...dozens of flights were either
        delayed or cancelled so runways could be cleared and
        aircraft inspected for hail damage.  A peak wind gust
        to 44 mph was observed from the west at Denver
        International Airport...with 0.65 inch of rainfall.
26-31 In 1995...from the 26th through the 31st...a cool period
        with light morning showers and moderate to heavy
        afternoon showers and thunderstorms pushed rivers
        already swollen from mountain snow melt over their banks
        causing minor flooding.  Streams and rivers such as the
        South Platte and Boulder Creek flooded meadowlands...bike
        paths...roads near streams...and other low lying areas.
        No significant property damage was reported and crop
        damage was unknown.  Rainfall totaled 1.79 inches at the
        site of the former Stapleton International Airport and
        only 1.51 inches at Denver International Airport.
27    In 1874...an apparent thunderstorm gust front reached the
        city at 6:40 PM.  Strong southwest winds sustained to
        48 mph for a few minutes produced large columns of
        dust in the city and on the prairie.  There was no
        rain in the city.
      In 1942...a duststorm swept into the city...but no damage
        was reported.  West winds were sustained to 23 mph.
      In 1953...a heavy hailstorm caused an estimated 100 thousand
        dollars damage across metro Denver.  Larger than golf ball
        size hail fell in Westminster and north Denver.  Only 1/8
        inch hail was measured at Stapleton Airport.
      In 1955...west-northwest winds at 35 mph with gusts as high
        as 58 mph briefly reduced the visibility to 1/2 mile in
        blowing dust at Stapleton Airport.
      In 1981...lightning damaged power lines west of Lakewood and
        blew up a transformer at the Denver Federal Center.  Hail
        1 to 1 1/2 inches in diameter was reported in Lakewood and
        on I-25 south of Denver.
      In 2001...hail as large as 3/4 inch in diameter was measured
        near Commerce City.
      In 2003...hail to 3/4 inch in diameter fell near Central
        City.
      In 2006...unusually warm weather for late May produced two
        temperature records.  The high temperature of 93 degrees
        was a record maximum for the date.  The low temperature
        of 59 degrees equaled the record high minimum temperature
        for the date.  Both previous records occurred in 1895.
28    In 1884...a thunderstorm apparently produced large hail.
        The hail stones were noted as unusually large...but the
        diameter of the stones was not measured.  The hail fell
        for only 5 minutes.  Precipitation from the storm was
        only 0.05 inch.
      In 1898...heavy thunderstorm rainfall totaled 1.74 inches
        in downtown Denver.  Hail of unknown size accompanied
        the storm.
      In 1981...a woman in Aurora was struck and killed by
        lightning.  Another bolt injured a boy on a bicycle at
        about the same time a short distance away.  About half an
        inch of rain in 20 minutes caused street flooding in the
        area.  A tornado touched down for about 2 minutes some 3
        miles north of Stapleton International Airport.
      In 1982...severe thunderstorms produced golf ball size hail
        in southeast Denver...Aurora...and Strasburg.  The large
        hailstones undoubtedly damaged some cars in the area.
        At Stapleton International Airport...only 1/2 inch diameter
        hail was measured.
      In 1991...golf ball size hail fell in Brighton.  No damage
        was reported.  Later...hail ranging in size from 3/4 inch
        to 1 1/2 inches in diameter fell over southwestern sections
        of metro Denver.  In some areas...hail piled up a few inches
        in depth.
      In 1994...thunderstorm wind gusts to 65 mph damaged 16 small
        airplanes and a hangar at Centennial Airport.
      In 2001...severe thunderstorms produced large hail across
        metro Denver.  Hail as large as 1 inch in diameter fell
        in Lakewood...Wheat Ridge...northwest Denver...near Watkins...
        Bennett...and Keenesburg.  Hail 3/4 inch or larger fell
        in Brighton.  Thunderstorm winds gusted to 58 mph at
        Denver International Airport.  A small tornado (F0)
        touched down near Bennett...but did no damage.
      In 2019...a severe thunderstorm broke out over metro Denver
        during the overnight hours. Some damage was reported to
        cars and vegetation. The hail ranged in size 7/8 inch to
        1 1/4 inch in diameter.  Broadcast media reported damage
        to 16 different greenhouses around Denver; seven
        experienced significant damage. In addition...two separate
        storms passed across Denver International Airport. The
        hail accumulated on the runways but no damage to aircraft
        was reported.
29    In 1934...the low temperature dipped to only 66 degrees...the
        all-time record highest minimum temperature for the month
        of May.
      In 1958...a microburst caused a brief wind gust to 56 mph at
        Stapleton Airport.
      In 1964...heavy rain caused flooding in the Harvey Gulch
        area of southeast Denver.  The high water damaged homes...
        businesses...streets...and bridges.  At Stapleton
        International Airport...1.33 inches of rain were measured
        with 1.76 inches total rainfall on the 29th and 30th.  The
        heavy rain during the last week of the month was the first
        significant precipitation since April 3rd.
      In 1967...3/4 to 1 inch diameter hail stones fell in the City
        of Denver...but caused no reported damage.  Hail as large as
        3/4 inch was measured at Stapleton International Airport.
      In 1975...the heaviest last snowfall of the season occurred
        when 5.6 inches of snow were measured at Stapleton
        International Airport.  Rain all day on the 28th changed
        to snow on the 29th and accumulated to a depth of 4 inches
        on the ground.  Northwest winds gusted to 31 mph.
        Precipitation (rain and melted snow) on the 28th and 29th
        totaled 1.48 inches.
      In 1982...one man was killed and two others injured by a
        lightning strike as they stood under a tree in the City of
        Denver`s Washington Park.
      In 1987...7/8 inch diameter hail fell near Castle Rock.
      In 1990...thunderstorms over metro Denver produced several
        small funnel clouds and two small tornadoes.  The first
        tornado (F0) touched down in northwest Denver and caused
        roof damage to a house and snapped off the tops of several
        trees.  A second tornado (F1) touched down in Northglenn
        and moved into Thornton damaging a group of self storage
        garages...several vehicles...a wooden fence...several trees...
        and the roof of an auto parts store.  No injuries were
        reported.  The storms also caused minor street flooding
        across northern and western sections of metro Denver.
        Rainfall totals ranged from 1 to 3 inches.  Lightning
        started a small fire at a home in northwest Denver.  The
        fire was confined to the front rooms and was quickly
        extinguished.  Snow plows were used to clear 2 to 4 inches
        of pea to marble size hail from a stretch of U.S. Highway
        285 in Turkey Creek Canyon.  Lightning felled a tree in
        northeast Denver...while strong winds snapped off several
        large tree limbs in the same area.  Thunderstorm rainfall
        totaled 0.82 inch at Stapleton International Airport
        where southwest winds gusted to 30 mph.
      In 1991...lightning struck a 13 year old boy in a field in
        Fort Lupton.  The boy was in critical condition in an area
        hospital for 2 days before recovering.
      In 1995...lightning struck a soccer goal post and injured
        6 adults viewing a soccer game in Arvada.  Although no
        one received a direct hit from the lightning...all escaped
        with only minor injuries...except one woman who was
        hospitalized.
      In 1996...large hail...3/4 to 1 1/2 inches in diameter...
        struck Lakewood and west Denver.  Lightning sparked a
        small fire when it struck an oil storage tank 5 miles
        west of Brighton.
      In 2001...lightning sparked a fire in an apartment complex in
        Aurora...forcing the evacuation of 24 units.  Most of the
        fire damage was confined to the attic.  Damage was
        estimated at 100 thousand dollars.
      In 2004...a man and his son were struck by lightning while
        practicing on the driving range at the Meadows Golf Club
        in southwest metro Denver.  The father was killed by the
        bolt...and his 16 year old son seriously injured.  Three
        other people standing nearby received only minor injuries.
      In 2010...hail up to 7/8 inch in diameter was reported in
        Broomfield.
      In 2017...an isolated thunderstorm produced hail up to 7/8
        inch in diameter near Centennial.
29-1  In 1894...from the 29th to the 1st of the month...heavy
        rain combined with snowmelt runoff caused widespread
        flooding over the South Platte River basin.
        Rainfall was heaviest in the foothills where 5 to 8
        inches were measured over the 4 days.  Heavy rainfall
        west of Boulder flooded mining towns and damaged mining
        properties.  In the canyons above Boulder...railroads
        and roads were washed out along with many bridges.  The
        floodwaters spread into central Boulder and covered a
        wide area from University Hill north to near Mapleton
        Hill to a maximum depth of 8 feet.  Many houses were
        swept away...and every bridge in Boulder was destroyed.
        A few people...trapped in their homes by the floodwaters...
        had to be rescued.  However...the gradual rise of the flood
        waters resulted in only one death.  Boulder Creek spread to
        a width of nearly one mile in the pasture land to the east
        of Boulder.  Extensive flooding on Left Hand Creek north
        of Boulder washed away railroad and wagon bridges.  The
        heavy cloudbursts caused flooding on Bear Creek...which
        washed away bridges...railroad tracks...and structures and
        destroyed the canyon roadway.  Morrison sustained the
        heaviest flood damage on Bear Creek.  In Denver...rainfall
        totaled only 1.50 inches on the 30th and 31st...but the
        heavy rainfall on upstream tributaries of the South Platte
        River caused the river to rise as much as 10 feet above the
        low water mark in the city...which caused some flooding of
        pasture land downstream to a depth of 6 feet near Brighton.
30    In 1875...a windstorm lasting almost all day produced
        sustained winds to 42 mph.
      In 1935...southeast winds sustained to 29 mph with gusts to
        34 mph produced a moderate duststorm during the afternoon.
      In 1938...heavy thunderstorm rain and hail pummeled downtown
        Denver during the evening hours.  Rainfall accumulated to
        1.63 inches.  Hail accumulated to a depth of 18 inches.
      In 1948...a localized thunderstorm caused flooding on Sand
        Creek in Aurora and northeast Denver.  Rainfall was only
        0.49 inch in downtown Denver where light hail also fell.
      In 1963...a golfer died of injuries received when struck
        by lightning on a golf course southwest of Denver.  A
        warehouse in Denver was damaged and its contents destroyed
        by a lightning-caused fire.
      In 1967...up to 4.00 inches of rain in Lakewood and Wheat
        Ridge caused flooding of roads and basements.  Water was
        several feet deep in some yards.  Many streets were
        temporarily closed.  Hail as large as 1 inch in diameter
        fell in Wheat Ridge.  Hail piled up to 2 feet deep in some
        low lying areas of east and southeast Denver.  Snowplows
        were employed to remove the hail.  Stapleton International
        Airport...where west winds gusted to 39 mph...received 1.51
        inches of rain and hail...which forced the closure of the
        runways for an hour.  Hail stones to 3/4 inch in diameter
        were measured at Buckley Field.  A funnel cloud was sighted
        near south Wadsworth Blvd. and Bear Creek.  A tornado
        touched down briefly in the vicinity of 60th and 62nd
        Avenues near north Washington Street.  The storm uprooted
        trees and damaged one building.  Doors were ripped from a
        business house...widely scattering irrigation pipe.  In
        addition...a total of 3 funnel clouds were sighted in that
        area.
      In 1970...hail up to 1 inch in diameter fell at Stapleton
        International Airport.
      In 1976...a single thunderstorm crossed south metro Denver
        producing a funnel cloud 2 miles south of Arapahoe Road
        and Broadway.  The storm moved over Buckley Field producing
        a funnel cloud and 1/2 inch diameter hail.  As the storm
        moved northeast of the city...a large tornado touched down
        near East 59th Ave and Tower Road and was on the ground for
        20 minutes.  It demolished a 60-foot-long cinderblock cow
        shed...tore a wall from a machinery shed...tore shingles off
        the roof of a farmhouse nearby...and felled 12 trees on one
        farm.  A boy in a feed shed 20 feet from a destroyed
        building was not injured.
      In 1977...3/4 to 1 inch diameter hail fell at or near
        Stapleton International Airport.  One inch to baseball
        size hail fell in south Denver...damaging some homes and
        extensively damaging some airplanes at Arapahoe County
        Airport...now Centennial Airport.  Hail covered highways
        to a depth of 6 to 8 inches in south Denver.
      In 1978...two funnel clouds were sighted 5 miles south of
        Stapleton International Airport.  Hail up to 1 1/4 inches in
        diameter was reported in Wheat Ridge and northwest Denver.
        Only 1/2 inch diameter hail fell at Stapleton International
        Airport.
      In 1989...golf ball size hail fell at the junction of I-25 and
        I-225.  One inch diameter hail fell in Littleton.
      In 1990...a line of severe thunderstorms crossed metro Denver...
        producing wind gusts to 60 mph and scattered areas of
        pea to marble size hail.  Small trees and branches were
        blown down by the strong thunderstorm winds...which also
        caused minor power outages across southern and eastern
        sections of metro Denver.  The strong winds uprooted a 25-
        to 30-foot tree in the Acres Green subdivision of northern
        Douglas County.  The tree blocked a busy street for several
        hours.  A pilot reported hail as large as 1 1/2 inches in
        diameter covering the ground near the north end of a runway
        at Stapleton International Airport.  Heavy rain caused a
        rock and mud slide that partially closed the Boulder Canyon
        highway 10 miles west of Boulder.  Thunderstorm winds gusted
        to 41 mph at Stapleton International Airport.
      In 2001...lightning ignited a fire which destroyed a luxury
        home on Bear Mountain near Evergreen.  Estimated damage
        was set at 1 million dollars.
      In 2003...flash flooding occurred in the Hayman Fire burn area
        after as much as 1 inch of rain fell in 30 minutes.  The
        heavy rainfall washed out many access roads and closed State
        Highway 67 between Deckers and West Creek.  A 3-foot wall of
        water ran down Fourmile Creek from the YMCA Camp at Shady
        Brook...damaging one building in the camp and flooding roads.
        Hail as large as 3/4 inch in diameter fell near Roggen in
        Weld County.
      In 2005...lightning struck as least 20 homes in Westminster.
        Only minor damage was reported.  Severe thunderstorms
        produced hail as large as 1.25 inches in and near Fort
        Lupton and hail to 3/4 inch near Indian Hills in Jefferson
        County.
      In 2014...heavy rainfall...nearly 1.2 inches in 30 minutes...
        produced localized street flooding in Boulder. The heavy
        rain coupled with the already swollen creeks from the spring
        runoff along Boulder Creek resulted in the flooding. Street
        flooding was reported at 6th St and Canyon Blvd and at
        Baseline Road. Some cars were stranded in the high water in
        low lying areas and one person reported being trapped in his
        vehicle.
30-31 In 1935...from the 30th to the 31st...heavy thunderstorm rains
        overnight caused flash flooding east of the city on both
        Kiowa and Bijou creeks...resulting in a total of 9 deaths.
        Most of the damage was on Kiowa Creek where there were more
        structures.  The water rose rapidly during the storm...
        ripping houses and stores from their foundations and
        sweeping them downstream. Precipitation in Denver totaled
        only 0.01 inch.  Hail fell in the city for a short time. The
        hail was very small and caused no damage.
      In 1983...from the 30th to the 31st...a late storm of rain and
        snow hit the Front Range.  Over an inch of rain fell at some
        spots...and above 7 thousand feet...1 to 5 inches of snow
        whitened the ground.  Some snow flakes even fell in the
        western suburbs of metro Denver on the night of the 30th.
      In 2002...from the 30th to the 31st...unseasonably warm weather
        at the end of the month resulted in 3 temperature records.
        High temperature of 91 degrees on the 30th equaled the
        record maximum for the date.  Low temperature of 61 degrees
        on the 31st was a record high minimum for the date.  High
        temperature of 93 degrees on the 31st was a record maximum
        for the date.
31    In 1917...rainfall totaled 0.55 inch and was mixed briefly
        with snow around midday. Only a trace of snow fell. Cold
        temperatures during the day resulted in a high of 44 degrees
        and a low of 35 degrees. The month closed as the coldest May
        on record with a mean temperature of only 48.7 degrees...
        about 8 degrees below normal.  The cold temperatures during
        the month had a marked effect on shade trees and shrubs in
        the city. Elms were just starting to leaf.  Leaves on
        cottonwoods and maples were only half formed.  Lilacs were
        just blooming...and snowball clusters would not bloom for days.
      In 1959...the public reported a tornado briefly touching the
        ground 10 miles south of Stapleton Airport.  No damage
        was reported.
      In 1984...a thunderstorm microburst produced a wind gust to 67
        mph...7 miles east of Boulder.
      In 1991...hail to golf ball size pummeled southern and
        southeastern sections of metro Denver and continued on east
        to Watkins.  Several houses and cars were damaged.  Later...
        thunderstorms dumped heavy rain across the City of Denver...
        causing street flooding in an area just south of downtown
        and just northwest of downtown.  Water was up to 10 inches
        deep over northwest Denver.  A brief tornado touched down in
        Castle Rock where 3/4 inch diameter hail also fell.
      In 1993...thunderstorms dropped dime size hail in Commerce
        City.
      In 1994...lightning struck an apartment in Louisville and
        damaged electronic equipment...including a computer.
      In 2006...a severe thunderstorm produced 1 inch diameter
        hail near Boulder.
      In 2022...moderate to heavy snowfall impacted the Front Range
        mountains and foothills. Above 8 thousand feet...storm totals
        generally ranged from 4 to 9 inches...with locally higher
        amounts. The big winner in the event was near Blue Valley south
        of Idaho Springs...which picked up 16 inches of snow. Several
        brief road closures occurred along Westbound I-70...from Floyd
        Hill to Silverthorne. Along the urban corridor and in the
        foothills below 8 thousand feet...much needed rainfall up to 1.5
        inches was observed.  The official rainfall measurement at
        Denver International Airport was 0.71 inch.
1     In 1875...a windstorm during the late afternoon and early
        evening produced sustained winds to 50 mph.
      In 1898...south winds were sustained to 41 mph with gusts
        to 46 mph.
      In 1917...a trace of unmelted snow fell in downtown Denver.
        Precipitation for the day totaled 0.08 inch...half of
        which was estimated to be from melted snow.
      In 1919...snowfall of 0.4 inch was measured in downtown
        Denver.  This was the greatest calendar day and 24-hour
        snowfall ever recorded during the month of June.
        Precipitation (rain and melted snow) totaled 0.15 inch.
        Two temperature records were set.  The low temperature
        of 32 degrees was a record minimum for the date.  The
        high temperature of only 40 degrees was a record low
        maximum for the date and the month.  North winds were
        sustained to 36 mph with gusts to 40 mph.
      In 1951...a trace of snow fell at Stapleton Airport.
      In 1961...hail as large as 1 1/2 inches in diameter fell
        in west Denver with hail to 1 1/4 inches reported in
        Derby.
      In 1965...a man struck by lightning in southeast Denver died
        shortly after being admitted to a hospital.  Lightning
        damaged power lines in east and southeast Denver.
      In 1980...strong thunderstorm winds blew in the windows of a
        mobile home in Northglenn.
      In 1990...a thunderstorm produced wind gusts to 63 mph in
        Boulder.  A small tornado touched down in a farmer`s field
        between the towns of Louisville and Lafayette.  Another
        tornado was spotted in an open field 3 miles west of
        Brighton.  A funnel cloud was sighted near Hudson.
        A microburst wind gust to 55 mph was recorded at Stapleton
        International Airport.  No damage was reported from any of
        these events.
      In 1991...severe thunderstorms producing large hail...damaging
        winds...funnel clouds...and heavy rain were widespread across
        metro Denver.  Funnel clouds were reported in Lakewood...
        Boulder...Arvada...and just east of the Rocky Mountain
        Arsenal.  Hail up to golf ball size fell in Lakewood...just
        west of Sedalia...in Littleton...Arvada...Englewood...and the
        City of Denver.  A mobile home park in Jefferson County
        reported hail to 3 feet deep.  Up to 1.00 inch of rain
        fell in 45 minutes near Boulder...causing Boulder Creek to
        flow out of its banks.  Rock and mud slides forced the
        closure of many roads in Boulder County.  Later in the
        afternoon thunderstorms produced rainfall amounts of 2 to
        3 inches over a couple of hours.  Clear Creek in Golden
        spilled over onto U.S. Highway 6.  Heavy rains washed away
        part of a bridge near Erie.  Water was up to 18 inches
        deep in Westminster.  Wind gusts to 58 mph were reported at
        Stapleton International Airport where 1/4 inch hail fell...
        and heavy thunderstorm rainfall totaled 0.82 inches...briefly
        reducing the visibility to 1 1/4 miles.  Estimates of total
        damage from these storms would exceed 7 million dollars.
      In 1994...hail up to 1 inch in diameter fell over south Denver
        and Littleton.
      In 1997...two short lived-tornadoes formed near Bennett...but
        did no reported damage.
      In 2002...strong winds from the outflow of dissipating showers
        developed to the east of Denver.  Near Strasburg...a spotter
        recorded a wind gust to 58 mph.
      In 2012...it was the hottest June in Denver since weather
        records began back in 1872. The average temperature for
        the month was 75.0 degrees which was 7.6 degrees above
        normal.  There were a total of seventeen 90 degree days in
        the month of June. The highlight of record setting month
        was a stretch of five consecutive 100 degree days from the
        22nd to the 26th. This was only the third time in Denver
        weather history in which this happened. Two of the high
        temperatures during the stretch peaked at 105 degrees...
        which set the all time record for the month of June and
        tied the all-time maximum temperature for Denver.
      In 2019...severe thunderstorms produced large hail from 1 to
        1 3/4 inch hail east of Centennial and over southeast
        Aurora.
1-2   In 2002...unusually very warm weather for so early in June
        resulted in two temperature records.  Maximum temperatures
        of 96 degrees on the 1st and 93 degrees on the 2nd were
        record highs for each date...respectively.
1-4   In 1977...unusually warm weather for this early in June
        resulted in 3 maximum temperature records being equaled
        at the time:  88 degrees on the 1st...90 degrees on the 2nd...
        and 93 degrees on the 4th.  Maximum of 91 degrees on the
        3rd was not a record.

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