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Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT FRI JUL 18 2025

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

7-25  In 1934...a streak of 15 consecutive days of 90 degrees...from the
        7th to the 25th...ranked 5th on the list of hot streaks.  The
        record of 24 consecutive days was established in the summer of
        2008.
13-5  In 2008...a streak of 24 consecutive days of 90 degrees...from
        July 13th to August 5th...shattered the previous record of 18
        consecutive days established in 1901 and 1874. Ironically...
        no new single day record high temperatures were set in the
        month of July. In August however...a record of 104 degrees
        was set on the 1st...and another record of 103 degrees was
        set on the 2nd. In addition...a record low min of 70 degrees
        was set on August 2nd.
16-18 In 1997...an extended hot spell resulted in 3 temperature
        records being set.  The maximum temperature reached 98
        degrees on each of the days...setting records on the 16th
        and 18th.  The low temperature of 71 degrees on the 17th
        was a record high minimum for the date.  The high
        temperature reached 100 degrees on the 17th at the site
        of the former Stapleton International Airport.
18    In 1874...the temperature climbed to 90 degrees or more for the
        18th consecutive day...setting a record.  The record was
        equaled from July 6th through the 23rd in 1901.
      In 1902...a thunderstorm produced northwest winds sustained to
        45 mph with gusts to 48 mph along with rain and hail.
        Total precipitation was 0.53 inch.
      In 1911...a shower produced north winds sustained to 44 mph.
      In 1958...1 1/2 inch diameter hail fell 9 miles west-southwest
        of Stapleton Airport.
      In 1981...a thunderstorm bombed Evergreen with about 2 inches
        of rain in 45 minutes.  A heavy hailstorm left 5 to 7 inches
        of hail on the ground in some places and stopped the Colorado
        Open Golf Tournament at Hiwan.
      In 1985...over 2 inches of rain doused the southwest suburbs
        of Denver.  Street flooding occurred in the Montbello area
        of northeast Denver.
      In 1992...nickel size hail fell across central Douglas County
        near Castle Rock and Sedalia.  One inch diameter hail fell
        in Castle Rock.
      In 1993...thunderstorm winds gusted to 60 mph at Strasburg
        east of Denver.
      In 2004...heavy thunderstorm rainfall caused flooding over
        parts of the Virginia Canyon Road near Idaho Springs.
        Several sections of the roadway were washed out.  The
        road was closed temporarily for repairs.
18-19 In 2003...from the 18th into the 19th...heavy rain producing
        thunderstorms caused flash flooding across southern metro
        Denver.  Automated rain gages measured 2 to 3 inches of
        rain in less than an hour.  The heavy rainfall caused many
        intersections and underpasses to flood...stranding motorists.
        Sections of I-25 and I-225 were closed due to the high water.
18-2  In 1987...from July 18th to August 2nd...a streak of 16
        consecutive days of 90 degrees ranked 4th on the list of hot
        streaks.  The record of 24 consecutive days was established
        in the summer of 2008.

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