...December 17 in Metro Denver weather history...
16-17 In 1908, heavy snowfall totaled 7.9 inches in downtown
Denver where north winds were sustained to 20 mph on
the 17th. Temperatures were in the teens and 20's.
In 1939, low temperatures of 49 degrees on the 16th and
43 degrees on the 17th were record high minimums for
the dates. High temperatures of 65 on the 16th and 72
on the 17th were not records.
In 1980, chinook winds blew through the night in Boulder with
a peak reported gust to 75 mph. Northwest winds gusted to
30 mph at Stapleton International Airport on the 17th.
The strong chinook winds warmed temperatures to record
daily highs of 70 degrees on the 16th and 73 degrees on
17 In 2000, high winds gusting from 60 to 74 mph howled across
the northeast plains of Colorado. In Parker where winds
gusted to 60 mph, a 20-foot by 40-foot piece of roof was
ripped from a building. West winds gusted to 53 mph at
Denver International Airport. This was the highest wind
gust of the month at the airport. An intense, but very
localized wind gust to 112 mph was measured near
Georgetown Lake in the foothills west of Denver.
17-24 In 1924, a prolonged cold spell occurred after mild
temperatures during the first half of the month. Most
low temperatures dipped below zero with the coldest
reading of 15 degrees below zero occurring on the 24th.
The high temperature of only 5 degrees on the 18th was
a record low maximum for the date.