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Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT FRI AUG 8 2025

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

8     In 1874...swarms of grasshoppers invaded the city.  Millions
        of them were seen cruising through the air.  The insects
        were apparently picked up by a thunderstorm gust front
        and carried into the city.  The grasshoppers had ravaged
        crops in surrounding counties for the last month.
      In 1878...the highest temperature ever recorded in Denver...105
        degrees...occurred at 3:20 PM.  This temperature was equaled
        on four other dates:  July 20...2005: June 25...2012;
        June 26...2012; and June 28...2018.
      In 1969...the temperature reached 100 degrees at Stapleton
        International Airport.
      In 1976...in Thornton...a 13 year old boy riding a bicycle was
        struck and killed by lightning.
      In 2000...lightning struck three homes in central Arapahoe
        County east of Denver.  Damage was estimated at 47 thousand
        dollars.
      In 2003...hail to 1 inch in diameter pelted Denver.  Hail to
        7/8 inch was measured in Boulder.
      In 2008...heavy rain also caused flash flooding over south
        Denver and its nearby suburbs. Heavy rain...from 2.5 to 4
        inches...fell in less than 90 minutes.  Firefighters rescued
        20 people as the water quickly rose along creeks...flooded
        roadways...and stranded motorists.  Three people had to be
        rescued along Cherry Creek when the bike path flooded.  In
        Evergreen...a man suffered minor injuries when he was struck
        by lightning.  It entered his finger...traveled down his body...
        and exited his foot.
      In 2013...heavy rain caused localized flash flooding in Aurora.
        An undergound parking garage at an apartment complex was
        inundated with 3 to 4 feet of water. Flash flooding forced
        a road closure at East Mississippi Ave. and Alton St. Also...
        several people had to be rescued when three vehicles stalled
        in floodwaters at Alameda Ave. and Havana St.  The stationary
        thunderstorms dumped 2.75 inches of rain in less than 45
        minutes. In addition...large hail...up to one inch in diameter...
        was reported north of Roxbourough State Park.  At Denver
        International Airport...just a trace of rainfall was observed.
8-10  In 1979...heavy thunderstorm rains on each of three
        consecutive days dumped a total of 2.22 inches of rain
        at Stapleton International Airport.  The heaviest rain...
        0.95 inches...fell on the 9th.  Small hail to 1/8 inch
        diameter fell on the 8th.
8-13  In 1875...from the 8th to the 13th...clouds of grasshoppers were
        seen flying through the air on the prevailing winds during
        each day.

$$