Public Information Statement
Issued by NWS Denver/Boulder, CO

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Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT SAT JUN 10 2017

...Today in metro Denver weather history...

1-30  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.
9-10  In 1864...high water from melting snow combined with heavy
        rains over the upper reaches of the South Platte River
        forced the river over its banks and caused flooding
        of low lying areas along the river in the city.  The
        amount of rainfall in the mountains and in the city is
        unknown.
10    In 1943...a man was killed by lightning while using a
        surveying instrument at Buckley Field.
      In 1969...hail stones 2 to 3 inches in diameter caused
        extensive damage to buildings and automobiles in an area
        from northeast of Boulder to Longmont.  Two funnel clouds
        were reported near Castle Rock.  A funnel cloud and 1 inch
        hail stones were reported 10 to 20 miles southeast of
        Stapleton International Airport.  Hail stones to 1 3/4
        inches fell 3 miles west of Littleton.  Hail to 3/4 inch
        diameter fell over southeast Denver.
      In 1988...thunderstorm winds clocked to 60 mph unroofed a
        porch and downed a fence at a home near Stapleton
        International Airport.  A small tornado touched down
        briefly in northeast Aurora.  Another small tornado
        touched down for 3 minutes in southeast Aurora.  No
        damage was reported from either twister.
      In 1989...a National Weather Service observer saw lightning
        strike 2 storage tanks at 40th and Havana...3/8 mile
        northeast of Stapleton International Airport.  The strike
        temporarily knocked out some weather observing equipment
        at the National Weather Service.
      In 1991...a tornado was sighted 2 miles south of Castle Rock.
        No damage was reported.  The funnel cloud associated with
        the tornado was sighted for 5 minutes by National Weather
        Service observers at Stapleton International Airport.
      In 1994...lightning struck a home in Denver...which started a
        fire in the attic and caused minor damage.
      In 1997...lightning struck a security guard at the Castle
        Pines Golf Course near Castle Rock.  He received only
        minor injuries.
      In 1999...severe thunderstorms rolled off the foothills over
        metro Denver...producing large hail and damaging winds.  Hail
        to 1 inch diameter fell near Evergreen with 1 3/4 inch hail
        measured west of Golden.  Hail to 1 1/2 inches fell in
        Commerce City with one inch hail in Lakewood...Wheat Ridge...
        the City of Denver and at Denver International Airport
        where thunderstorm winds gusted to 58 mph.  As the storms
        moved east...3/4 inch hail was reported in Aurora...and
        damaging thunderstorm winds developed between Bennett and
        Strasburg.  Winds gusting as high as 69 mph blew half a
        metal roof from a shed in a Bennett lumberyard.  A small
        barn was also leveled between Bennett and Strasburg.  Winds
        also gusted to 58 mph near Manilla.
      In 2000...a dry microburst produced a wind gust to 58 mph
        at Jefferson County Airport.  Thunderstorm winds gusted
        to 55 mph at Denver International Airport.
      In 2003...hail as large as 1 3/4 inches was measured at
        Centennial Airport and near Parker.
      In 2005...hail to 7/8 inch in diameter was reported near
        Parker with 3/4 inch hail measured near Castle Rock.
      In 2009...lightning struck an apartment complex...a
        veterinary hospital in Boulder and caused minor
        damage.  Lightning also struck two oil tanks...one
        in Boulder and the other at Front Range Airport north
        of Watkins.  The oil tanks in both instances were set
        on fire and suffered extensive damage.
      In 2010...a complex of severe thunderstorms hammered portions
        of eastern Arapahoe...eastern Douglas and western Elbert
        Counties.  The hail ranged from 1 inch to 3 inches in diameter.
        The largest hail was observed near Elizabeth.  Areas in and
        around Aurora...Byers...Parker and Thornton were also impacted
        by large hail.  One weak tornado touched down near Prospect
        Valley but did no damage. At Denver International Airport...a
        peak wind gust to 35 mph was observed from the northwest.
10-11 In 1882...heavy thunderstorm rains on the morning of the
        10th caused a rapid rise in Dry Creek...which enters the
        South Platte River at Fairview in present day south
        Denver.  This...combined with additional heavy rainfall
        on the 11th caused the South Platte River to overflow.
        Five people drowned and several houses were destroyed.
        Total losses in the city and suburbs was estimated at 75
        thousand dollars.  Total rainfall in central Denver was
        2.21 inches over the 2 days.
      In 2013...the high temperature of 99 degrees on the 10th
        broke the previous record maximum temperature of 97 for
        the date.  Also...the minimum temperature of 68 and high
        temperature of 100 degrees on the 11th established a new
        record for highest minimum and maximum temperature for
        the date.

$$



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