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Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT SUN OCT 12 2025

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

10-12 In 1969...from the 10th to the 12th...the second heavy snowstorm
        in less than a week dumped nearly a foot of snow across
        metro Denver and plunged the area into extremely cold
        temperatures for so early in the season.  Snowfall totaled
        11.0 inches at Stapleton International Airport.  North winds
        gusting to 26 mph produced drifts up to 2 feet deep.
        Temperatures dipped from a high of 52 degrees on the 10th to
        a record low for the date of 10 degrees on the 12th.  There
        was additional damage to trees and power and telephone lines
        from heavy snow accumulations and icing.  Travel was
        restricted or blocked by drifting snow in both the
        mountains and on the plains east of Denver.
11-12 In 1901...an apparent cold front produced northeast winds
        sustained to 42 mph with gusts to 48 mph on the 11th.
        General rain changed to snow overnight and totaled 2.0
        inches on the 12th.  This was the first snowfall of the
        season. Total precipitation was 0.32 inch.
11-13 In 1892...from the 11th to the 13th...apparent post-frontal
        rainfall totaled 3.33 inches in downtown Denver over the
        3-day period.  A trace of snow on the 12th melted as it
        fell.  Rainfall of 2.58 inches on the 12th into the 13th
        was the greatest 24-hour precipitation ever recorded
        during the month of October.  Northwest winds were
        sustained to 48 mph with gusts as high as 55 mph on
        the 12th.
12    In 1873...smoke from several very large forest fires was
        sighted along the mountains.
      In 1923...post-frontal rain changed to snow and totaled
        4.0 inches.  North winds were sustained to 14 mph.
      In 1978...northeast winds gusting to 35 mph with a strong
        cold front briefly reduced visibility to 2 miles in
        blowing dust at Stapleton International Airport.
12-13 In 2001...overnight from the 12th to the 13th...peak wind
        gusts to 82 mph and 70 mph were measured atop Niwot
        Ridge and Squaw Mountain...respectively.
12-14 In 1969...from the 12th to the 14th...record breaking
        extremely cold temperatures for so early in the season
        occurred.  The high temperature of 26 degrees on the 13th
        was two degrees lower than the previous record minimum
        temperature of 28 degrees for the date set in 1885.  The
        high temperature of 24 degrees on the 12th exceeded the
        record low temperature (22 degrees set in 1885) for the
        date by only 2 degrees.  In addition...3 new record low
        temperatures for the dates were set.  The low
        temperature dipped to 10 degrees on the 12th breaking
        the old record (22 degrees in 1885) by 12 degrees.  On
        the 13th the mercury plunged to a low of 3 degrees
        breaking the old record (28 degrees in 1885) by 25
        degrees.  On the 14th the temperature reached a minimum
        of 4 degrees breaking the old record (25 degrees in 1966)
        by 21 degrees.

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