886
NOUS45 KBOU 120859
PNSBOU
COZ030>051-122300-

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT TUE AUG 12 2025

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

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.
12    In 1876...the temperature climbed to a high of 100 degrees
        in downtown Denver.
      In 1941...excessive thunderstorm rainfall flooded streets
        and delayed traffic for a few hours in some sections of
        the city.  The basements of a considerable number of homes
        and commercial buildings were flooded.  The total value of
        the damage was unknown.  Only 0.94 inch of thunderstorm
        rainfall was recorded downtown.
      In 1969...a man and a 9-year old boy were injured...when
        lightning struck a tree near where they were standing.
        Both were revived after treatment...but the boy later died
        of respiratory failure due to electrical shock.
      In 1984...heavy thunderstorm rains drenched southern metro
        Denver.  Rural roads in Douglas County received minor
        washouts.  Hail...as large as 3/4 inch in diameter...was
        reported in southeast Aurora with one inch diameter hail
        reported near Parker.  Rainfall totaled 1.00 inch at
        Stapleton International Airport.
12-13 In 1975...overnight from the 12th to the 13th...heavy rains
        caused flash flooding along the foothills from Denver
        north.  Thunderstorm rainfall totaled 1.56 inches at
        Stapleton International Airport.
      In 2004...a brief cool spell resulted in two daily
        temperature records.  The low temperature of 49
        degrees was a record minimum for the 12th...as was
        the low temperature of 48 degrees on the 13th.

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