Public Information Statement
Issued by NWS Denver/Boulder, CO
NOUS45 KBOU 110959
Public Information Statement
National Weather Service Denver/Boulder CO
259 AM MST SUN DEC 11 2016
...Today in metro Denver weather history...
2-17 In 1939...more than 2 weeks of unseasonably warm weather
made the month the 3rd warmest on record. Seven daily
temperature records were set...including the all time
record high temperature for the month of 79 degrees on
the 5th. Daytime highs were balmy with 14 days in the
60`s and 70`s. Low temperatures dipped to freezing or
below on only 5 days. The period was dry with only a
trace of snow on the 12th.
3-15 In 1972...a protracted cold spell held an icy grip on metro
Denver when maximum temperatures never reached above
freezing for 10 consecutive days from the 3rd through
the 12th and minimum temperatures dipped below zero on
eleven consecutive days from the 5th through the 15th.
Daily low temperature records were set with 15 degrees
below zero on the 5th...17 degrees below zero on the 6th...
and 18 degrees below zero on the 10th. Daily record low
maximum readings were set with 3 degrees on the 6th and
6 degrees on the 9th. The very cold temperatures were
caused by 3 to 5 inches of snow cover and a Canadian air
8-12 In 1932...the second longest sub-zero period on record in
Denver occurred. The temperature fell below zero shortly
after 1:00 PM on the 8th and remained below zero for 92
hours until 9:00 AM on the 12th. The lowest temperature
recorded during this period was 13 degrees below zero on
both the 9th and 11th. That temperature on the 11th was
a record low for the date. High temperatures of 4 on the
8th...5 below zero on the 9th...1 below zero on the 10th...
and 6 below zero on the 11th were record low maximum
temperatures for those dates. Light north winds at 5 to
10 mph were accompanied by occasional light snow...which
totaled only 2.2 inches.
9-13 In 1961...cold arctic air produced a protracted cold period.
The temperature plunged to 16 degrees below zero on the
10th...establishing a new record for the date and the
coldest reading since 25 degrees below zero on February 1...
1951. Low temperatures dipped below zero on 5 consecutive
days with 9 degrees below zero on the 9th...16 below on the
10th...10 below on the 11th...and 12 below on both the 12th
and 13th. High temperatures reached only 3 degrees on the
10th and 6 degrees on the 11th.
10-11 In 1933...downslope winds produced warm temperatures...resulting
in record high minimums of 46 degrees on the 10th and 44
degrees on the 11th. High temperatures of 66 degrees on the
10th and 62 degrees on the 11th were not records. Southwest
winds were sustained to 16 mph on the 10th.
In 1939...high temperatures of 70 degrees on the 10th and 74
degrees on the 11th were record maximums for the dates.
The low temperatures of 39 degrees on the 10th and 41
degrees on the 11th were not records.
In 1948...high winds in Boulder and Louisville caused 1750
dollars in damage. Wind gusts in excess of 70 mph were
reported at Valmont and Boulder Airport. Chinook wind
gusts to 60 mph briefly reduced the visibility to 1/4 mile
in blowing dust at Stapleton Airport.
In 1989...the season`s greatest snowfall to date hit metro
Denver with 6 to 12 inches of snow. Flight delays at
Stapleton International Airport reached 2 hours. Multiple
wrecks snarled traffic on I-25 both north and south of the
city. Snowfall totaled 7.0 inches at Stapleton
International Airport where north winds gusted to 25 mph
on the 10th.
11 In 1938...snowfall totaled 3.7 inches in downtown Denver.
North winds were sustained to 21 mph with an extreme
velocity to 22 mph.
In 1967...wind gusts to 58 mph in downtown Boulder caused
minor damage. Northwest winds gusted to 47 mph at
Stapleton International Airport.
In 1980...winds to 60 mph were reported in Boulder. Northwest
winds gusted to 23 mph at Stapleton International Airport.
The chinook winds warmed temperatures to a high of 67
In 1994...strong gusty winds occurred along the Front Range
eastern foothills. A wind gust to 67 mph was recorded in
Boulder with a gust to 58 mph measured at Jefferson County
Airport near Broomfield. No damage was reported.
Northwest winds gusted to 31 mph at Stapleton International
11-12 In 1903...a sharp cold front on the 11th plunged temperatures
from a high of 59 degrees to a low of 15 degrees...produced
northeast winds sustained to 42 mph along with gusts as
high as 60 mph...and produced 1.3 inches of snow overnight.
The high temperature on the 12th was only 25 degrees.
In 1968...strong winds buffeted the eastern foothills and
plains and caused light...but widespread property damage.
Wind gusts of 50 to 75 mph were reported. West winds
gusted to 52 mph at Stapleton International Airport.
11-13 In 1940...5.4 inches of snow fell across downtown Denver.
This was the only snowfall of the month. Temperatures
were quite cold on the 13th with a high of 6 degrees and
a low of 2 degrees below zero.
In 1984...up to 6 inches of new snow fell over metro Denver...
hampering flight operations at Stapleton International
Airport where snowfall totaled 3.8 inches and east winds
gusted to 25 mph on the 11th.