Public Information Statement
Issued by NWS Denver/Boulder, CO

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NOUS45 KBOU 200959

Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MST FRI JAN 20 2017

...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.
18-20 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.
19-20 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.
20    In 1894...northwest winds were sustained to 40 mph with
        gusts to 45 mph in the city.
      In 1911...west chinook winds sustained to 46 mph warmed the
        temperature to a high of 62 degrees.
      In 1975...a warm chinook wind produced a west wind gust to
        53 mph at Stapleton International Airport.  Winds were
        much stronger near the foothills...where 80 mph winds in
        Boulder caused damage to homes...buildings...power lines...
        and autos.
      In 1986...high winds buffeted the foothills from Denver north.
        The strongest reported wind was 72 mph in Fort Collins.  A
        wind gust to 39 mph was reported at Stapleton International
        Airport in Denver.
      In 1996...high winds developed for a short time in the
        Front Range foothills in the wake of a weak upper level
        disturbance.  Wondervu recorded a peak wind gust to 90 mph...
        while winds gusted to 84 mph atop Squaw Mountain near
        Idaho Springs.  West winds gusted to only 29 mph at
        Denver International Airport.
      In 2011...a snowboarder and his dog were killed when he
        triggered an avalanche in the backcountry northeast of
        Berthoud Pass.
20-21 In 1973...a major storm produced 7.5 inches of snowfall at
        Stapleton International Airport where north winds gusted
        to 32 mph causing some blowing snow.
      In 2002...high winds developed over portions of the northern
        mountains and Front Range foothills.  Several trees were
        blown down in Gilpin County along State Highways 119 and
        46.  Wind gust reports included:  90 mph 11 miles north
        of Central City...83 mph near Fritz Peak...76 mph at Aspen
        Springs...and 80 mph at Nederland.  West winds gusted to
        only 39 mph at Denver International Airport on the 20th.
20-22 In 1937...a second incursion of cold Arctic in less than two
        weeks kept temperatures in the deep freeze for three days...
        even though only one temperature record was set during the
        period.  Temperatures were below zero for an estimated 53
        consecutive hours.  The below zero period would have
        been longer had the temperatures on the 20th not climbed
        to a high of 1 degree after a low of 8 degrees below zero.
        On the 21st...the high temperature of 1 degree below zero
        was a record low maximum for the date.  Low readings on
        both the 21st and 22nd were 9 degrees below zero.
      In 1971...high winds raked Boulder.  Wind gusts to 77 mph were
        recorded at the National Center for Atmospheric Research.
        Winds gusted to 83 mph in south Boulder and to 68 mph in
        downtown Boulder.  Minor personal injuries occurred...and
        reported damage to structures totaled 15 thousand dollars.
        On the 21st...northwest winds gusted to 44 mph at Stapleton
        International Airport.  The chinook winds warmed the
        temperature to a high of 69 degrees on the 20th...which
        equaled the record for the date.
      In 1993...sporadic high winds along the east slopes of the
        Front Range during the early morning hours of the 20th
        moved onto the foothills and plains by the 22nd.  Wind
        gusts of 55 to 65 mph were common.  Some significant wind
        reports included 82 mph at Rollinsville and atop Squaw
        Mountain west of Denver...and 75 mph on Rocky Flats.  At
        Stapleton International Airport...west winds gusted to 35
        mph on the 20th...44 mph on the 21st...and 55 mph on the

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