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Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MST SUN JAN 7 2024
 
...Today in metro Denver weather history...

31-7  In 1941...a protracted cold spell through January 7...1942...
        produced below zero low temperatures on 7 of the 8 days.
        A low temperature of 2 degrees on the 3rd prevented a
        string of 8 days below zero.  The coldest days during the
        period were the 1st with a high of 2 degrees and
        a low of 9 degrees below zero...the 4th with a high of 2
        degrees and a low of 11 degrees below zero...and the 5th
        with a high of 26 degrees and a low of 12 degrees below
        zero.
6-7   In 1908...furious high winds were noted in Boulder but
        caused only minor damage and injury.
      In 1913...a very cold Arctic air mass caused temperatures to
        plunge to record levels.  The low temperature fell to 21
        degrees below zero on the 6th and to 18 degrees below
        zero on the 7th...both records.  The high temperature of
        only 8 degrees below zero on the 6th was a record low
        maximum for the date.
      In 1920...post-frontal heavy snowfall totaled 7.0 inches in
        downtown Denver.  North winds were sustained at 24 mph
        with gusts to 30 mph on the 6th.
      In 1923...warm chinook winds resulted in two temperature
        records.  Low temperatures of 37 degrees on the 6th
        and 42 degrees on the 7th equaled the record high
        minimums for the dates.  West winds were sustained to
        30 mph with gusts to 33 mph on the 6th.  Southwest
        winds were sustained to 47 mph with gusts to 52 mph
        on the 7th.  High temperatures were 53 degrees on the
        6th and 56 degrees on the 7th.
      In 1986...2 to 4 inches of snow fell over metro Denver...
        with 5 to 8 inches in the foothills west of the city.
        The 2.4 inches of snowfall recorded at Stapleton
        International Airport was the only snowfall of the
        month.  Northwest winds gusted to 24 mph at the
        airport.
      In 2006...a brief warm spell resulted in two temperature
        records.  High temperatures of 66 degrees on the 6th
        and 69 degrees on the 7th equaled the record daily
        maximum temperatures for each of those days.  Low
        temperatures remained above freezing and were within
        1 or 2 degrees of the record daily high minimums.
7     In 1911...west chinook winds were sustained to 51 mph
        and warmed the temperature to a high of 56 degrees.
      In 1994...occasional high winds buffeted the eastern
        foothills.  Wind gusts to 99 mph were recorded at
        Rollinsville...southwest of Boulder.  West winds gusted
        to 40 mph at Stapleton International Airport.
      In 1995...a brief blast of high winds hit the eastern
        foothills and adjacent Front Range communities.  A wind
        gust to 112 mph was recorded atop Squaw Mountain...west of
        Denver.  In Boulder...winds gusted to 81 mph.  West winds
        gusted to 31 mph at Stapleton International Airport.
      In 2009...damaging downslope winds were reponsible for
        triggering two wildfires that threatened the city of
        Boulder.  Peak wind gusts ranged from 75 to 107 mph in
        and near the foothills of Boulder...Jefferson and Park
        Counties. Although the fires never merged...they were
        close enough for firefighters to build a perimeter around
        both of them.  The fires quickely torched 3000 acres and
        forced the evacuation of up to 1400 familes.  One home
        was destroyed along with several barns and outbuildings.
        Three firemen suffered minor injuries.  In Bailey...power
        lines were downed by falling trees.  A tin roof on an
        auto repair shop in town was almost completely blown off.
        Peak wind gusts included:  107 mph near Mt. Audobon...92
        mph near Evergreen...87 mph...6 miles northwest of Boulder;
        81 mph near Bergen Park and at the National Wind
        Technology Center; 79 mph near Nederland...77 mph near
        Sheridan...and 75 mph at Genesee.  A peak wind gust of
        39 mph was measured at Denver Internatinal Airport from
        the west.
      In 2020...high winds developed in and near the foothills of
        Boulder and northern Jefferson counties. Peak wind gusts
        included: 89 mph in west Longmont...83 mph at the NCAR Mesa
        Laboratory...and 80 mph at the junction of state highways
        93 and 72. West winds gusted to 38 mph at Denver
        International Airport.
7-8   In 1911...gale force winds occurred in Boulder causing minor
        injuries.
      In 1937...cold Arctic air plunged temperatures below zero
        for an estimated 56 consecutuve hours.  Two temperature
        records were set.  High temperatures of 8 degrees below
        zero on the 7th and 3 degrees on the 8th were record low
        maximum readings for those dates.  Low temperatures
        plunged to 12 degrees below zero on the 7th and 11 degrees
        below zero on the 8th.  Snowfall was 1.4 inches in downtown
        Denver.
      In 1969...a violent evening windstorm struck Boulder and the
        adjacent foothills.  A wind gust to 130 mph was recorded
        at the National Center for Atmospheric Research.  Winds
        reached 96 mph in downtown Boulder.  The Boulder Airport
        wind recorder was blown away after measuring a wind gust
        to 80 mph.  The windstorm caused over one million dollars
        in damage and one fatality in Boulder.  About 25 homes in
        south Boulder had roofs blown off or were severely
        damaged.  Roofs were blown off buildings housing
        scientific laboratories and offices of the Environmental
        Science Services Administration...now NOAA...in Boulder...and
        installations of several scientific measuring sites near
        Boulder received heavy damage.  Grass fires driven by the
        high winds endangered many areas...but were controlled by
        volunteer firemen.  One man died from injuries received
        when he was blown from a fire truck.  One man was killed
        and another injured when the truck camper in which they
        were riding was blown off I-25 about 10 miles north of
        Denver.  In the same area a mobile home and a truck
        trailer were blown off the highway and demolished.  At
        least 20 people in the Boulder area received light to
        serious injuries from flying debris or from being blown
        into obstructions.  Power lines and trees were downed
        over a wide area.  Damage was relatively light in the
        City of Denver...where northwest winds gusted to 62 mph
        at Stapleton International Airport on the 8th.  Many
        windows were broken in Arvada...Englewood...and Littleton.
        A 27-year-old fire lookout tower on Squaw Mountain...west
        of Denver...was blown away...and several radio relay towers
        at that location were toppled.  Trucks were overturned
        near Georgetown.  Mobile homes were overturned in several
        areas with occupants receiving injuries in some cases.
        The strong chinook winds also brought warm weather.  The
        maximum temperature of 69 degrees on the 7th broke the
        old record of 65 degrees set in 1948.  The temperature
        also reached 65 degrees on the 8th...but was not a record.
      In 1992...an intense blizzard buried eastern parts of metro
        Denver.  At times snow fell at rates of 2 to 3 inches an
        hour.  Winds increased from the north at speeds of 25 to
        45 mph.  Drifts of 4 to 8 feet were common.  I-70 was
        closed east of Denver...and I-25 was closed from Denver
        south.  Snowfall totals ranged from a couple of inches in
        the foothills west of Denver to as much as 2 feet on the
        east side of metro Denver.  The heaviest snow fell on the
        7th in a band from the northern suburbs of Westminster and
        Thornton through Aurora and east Denver to southeast of
        Parker.  Snowfall totals included:  22 inches in southeast
        Aurora...14.8 inches at Stapleton International Airport...13
        inches in Northglenn...10 inches in Parker...and 9 inches in
        Westminster.  The 14.5 inches of snowfall measured on the
        7th into the 8th is the greatest 24 hour snowfall ever
        recorded in the city during the month of January.  North
        winds gusting to 46 mph caused much blowing snow at
        Stapleton International Airport.
      In 2000...high winds developed in and near the Front Range
        foothills.  The strongest winds were generally confined
        to foothills areas north of I-70.  A wind gust to 76 mph
        was reported in Golden Gate Canyon.  West winds gusted to
        37 mph at Denver International Airport on the 8th.
7-10  In 1962...a major winter storm dumped 13.5 inches of snow on
        metro Denver.  A foot of the snow fell on the 8th when
        northeast winds gusted to 30 mph.  The storm was followed
        by an intense blast of very cold Arctic air.  Minimum
        temperature readings of 24 degrees below zero occurred on
        both the 9th and 10th.  The temperature never reached above
        zero on the 9th when a maximum reading of 1 degree below
        zero was recorded.  Temperatures were below zero for 37
        consecutive hours.

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