Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 120859

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MDT THU OCT 12 2017

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

10-12 In 1969...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 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.  This was the first snowfall of the season.
        Total precipitation was 0.32 inch.
11-13 In 1892...apparent post-frontal rainfall totaled 3.33
        inches in downtown Denver over the 3 days.  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 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 peak wind gusts to 82 mph and 70 mph
        were measured atop Niwot Ridge and Squaw Mountain...
12-14 In 1969...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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