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Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MST SUN JAN 19 2025

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

14-21 In 1930...a protracted cold spell occurred when low temperatures
        plunged below zero on 8 consecutive days.  The coldest low
        temperatures of 20 degrees below zero on the 17th and 19
        degrees below zero on the 16th were record minimums for
        the dates.  High temperatures during the period ranged from
        18 on the 18th to zero on the 20th.  Two degrees on the
        15th was a record low maximum temperature for the date.
15-23 In 1962...a protracted cold spell kept metro Denver in the
        deep freeze for more than a week.  From the 15th thru the
        23rd...low temperatures were zero or below for 9 consecutive
        days...but a daily record low was set only on the 22nd when
        the temperature dipped to 14 degrees below zero.  A record
        low maximum for the date was also set on the 22nd when the
        temperature climbed to only 11 degrees.  The coldest high
        temperature was 3 degrees above zero on the 21st...which did
        not break the record.  The protracted cold was broken for
        only a few hours on the afternoon of the 20th when chinook
        winds warmed the temperature to a high of 38 degrees before
        another surge of cold Arctic air plunged temperatures
        back into the deep freeze that evening.  The severe cold
        caused much damage to water systems.  A woman was frozen to
        death at Morrison.  There were other deaths attributable to
        the weather...including traffic deaths and heart attacks
        from overexertion.
18-19 In 1980...a slow moving storm deposited 4 to 10 inches of
        snow across metro Denver with the greatest amounts in the
        foothills.  Flights were delayed 30 to 40 minutes at
        Stapleton International Airport where snowfall totaled
        5.5 inches and north winds gusted to 22 mph.
      In 1988...a blizzard produced strong winds and heavy snow
        across eastern Colorado.  Ten-foot drifts were common and
        many roads were closed including I-70...I-76...and I-25.
        In the Denver area...4.0 inches of snow fell at Stapleton
        International Airport where north winds gusting to 40 mph
        reduced the visibility to 1/2 mile at times.
18-20 In 1958...snowfall totaled 6.9 inches at Stapleton Airport
        where east-northeast winds gusted to 26 mph on the 18th.
18-24 In 2005...a week of mid-winter unseasonably warm weather
        pushed high temperatures into the 60`s or more on all
        but one day.  During the period...the highest temperature
        of 70 degrees on the 20th was a new record maximum for
        the date.  Low temperatures remained above freezing on
        4 of the days.
19    In 1883...the low temperature dropped to 20 degrees below
        zero...and the high temperature of only 9 degrees below
        zero was the record low maximum for January...which
        was equaled on January 11...1963.
      In 1887...west winds sustained to 48 mph warmed the
        temperature in the city to a high of 67 degrees...which
        was the highest temperature of the month that year.
      In 1890...northwest winds were sustained to 42 mph with
        gusts to 45 mph in the city.
      In 1903...northwest winds were sustained to 40 mph with an
        extreme velocity of 44 mph.
      In 1911...west chinook winds sustained to 42 mph warmed
        the temperature to a high of 66 degrees.
      In 1916...sleet (grains of ice) fell for 15 minutes.  This
        is a rare occurrence in Denver.
      In 1990...7 to 10 inches of snow fell across metro Denver.
        Strong winds...drifting snow...and poor visibility caused
        the closure of I-70 from Denver east to the Kansas border.
        However...at Stapleton International Airport north winds
        gusted to only 17 mph.  Several schools and businesses
        were forced to close.  Weather-related delays of up to
        90 minutes hampered aircraft operations at Stapleton
        International Airport where snowfall from the storm
        totaled 7.5 inches.
      In 2002...high winds occurred over portions of the northern
        mountains and eastern foothills.  Wind reports included:
        74 mph at the National Center for Atmospheric Research
        atop the mesa in Boulder and 71 mph at the Eldora Ski
        Resort west of Boulder.
      In 2003...a wind gust to 75 mph was recorded at the
        National Wind Technology Center atop Rocky Flats
        to the northwest of Denver.  West winds gusted to
        36 mph at Denver International Airport.
19-20 In 1935...snowfall of only 0.8 inch during the evening of
        the 19th was the only measurable snowfall of the month.
        The light snow developed behind an Arctic cold front as
        temperatures plunged to a low of 13 degrees below zero
        on the 20th.  High temperature of only 2 degrees on the
        20th was a record low maximum for the date.  Northeast
        winds were sustained to 16 mph on the 19th.
      In 1986...chinook winds gusting to 39 mph at Stapleton
        International Airport provided record breaking warmth.
        The warmest temperature of the month...68 degrees on the
        19th...was also a record high for the date.  The low
        temperature of 41 degrees on the 20th equaled the record
        high minimum for the date.
      In 1991...a strong cold front moved south across metro Denver.
        Upslope conditions produced 3 to 6 inches of snow along the
        Front Range with 5 inches in Westminster and 4 inches in
        Thornton.  Snowfall measured 4.9 inches at Stapleton
        International Airport where north winds gusted to 31 mph.

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