National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization

...OCTOBER 2009 WAS ONE OF THE COLDEST AND WETTEST OCTOBERS ON
RECORD...

THE AVERAGE TEMPERATURE IN CHEYENNE FOR OCTOBER 2009 WAS 37.0
DEGREES...8.4 DEGREES BELOW NORMAL. OCTOBER 2009 WAS THE COLDEST
OCTOBER IN TERMS OF AVERAGE TEMPERATURE IN CHEYENNE SINCE OFFICIAL
WEATHER RECORDS BEGAN IN 1872.

HERE ARE THE TEN COLDEST OCTOBERS IN CHEYENNE WITH RESPECT TO
AVERAGE TEMPERATURE.

AVERAGE TEMPERATURE (DEGREES)...YEAR
37.0...2009
37.1...1969
37.8...1925
38.7...1923
39.1...2002
40.0...1984
40.5...1919
40.6...1905
40.7...1877
40.8...1883

THE AVERAGE HIGH TEMPERATURE OF 46.9 DEGREES...11.3 DEGREES BELOW
NORMAL...WAS THE SECOND COLDEST IN OCTOBER SINCE 1872...RIGHT
BEHIND OCTOBER 1969 WITH AN AVERAGE HIGH TEMPERATURE OF 46.2
DEGREES.

THE AVERAGE LOW TEMPERATURE OF 27.1 DEGREES...5.4 DEGREES BELOW
NORMAL...WAS THE SECOND COLDEST IN OCTOBER SINCE 1872...RIGHT
BEHIND OCTOBER 1925 WITH AN AVERAGE LOW TEMPERATURE OF 26.5
DEGREES.

OCTOBER 2009 WAS THE SNOWIEST OCTOBER EVER IN CHEYENNE SINCE
OFFICIAL RECORDS BEGAN IN 1872. THERE WERE 28.0 INCHES OF SNOW THAT
FELL IN OCTOBER 2009. THE 28.0 INCHES OF SNOW WAS 23.9 INCHES ABOVE
NORMAL FOR OCTOBER.

HERE ARE THE TEN SNOWIEST OCTOBERS IN CHEYENNE SINCE 1872.

SNOWFALL (INCHES)...YEAR
28.0...2009
23.1...1906
21.3...1969
15.3...1929
14.6...1925
13.3...1905
13.1...2002
12.3...1990
12.2...1982 AND 1951

OCTOBER 2009 WAS THE EIGHTH WETTEST OCTOBER IN CHEYENNE SINCE 1872.
2.32 INCHES OF RAIN AND MELTED SNOW FELL IN OCTOBER 2009...1.57
INCHES ABOVE NORMAL.

HERE ARE THE TEN WETTEST OCTOBERS IN CHEYENNE SINCE 1872.

PRECIPITATION (INCHES OF RAIN AND MELTED SNOW)...YEAR
3.57...1942
3.53...1925
2.88...1923
2.59...1912
2.58...1889
2.54...1946
2.33...1906
2.32...2009
2.26...1951
2.25...1924

THE AVERAGE TEMPERATURE FOR OCTOBER 2009 IN RAWLINS WAS 36.5
DEGREES...THE SECOND COLDEST OCTOBER EVER RECORDED.  THE COLDEST
OCTOBER ON RECORD IN RAWLINS WAS 34.8 DEGREES IN 1969.

LARAMIE HAD ITS SECOND COLDEST OCTOBER ON RECORD WITH AN AVERAGE
TEMPERATURE OF 35.1 DEGREES. THE COLDEST OCTOBER EVER IN LARAMIE
WAS 31.6 DEGREES IN 1969.

THE AVERAGE TEMPERATURE FOR OCTOBER 2009 IN CHADRON WAS 40.0
DEGREES...THE COLDEST OCTOBER EVER RECORDED THERE. THE SECOND
COLDEST OCTOBER ON RECORD IN CHADRON WAS 40.8 DEGREES IN 2002.

SCOTTSBLUFF HAD ITS COLDEST OCTOBER ON RECORD WITH AN AVERAGE
TEMPERATURE OF 40.4 DEGREES. THE SECOND COLDEST OCTOBER EVER IN
SCOTTSBLUFF WAS 40.8 DEGREES IN 1925.

THE AVERAGE TEMPERATURE FOR OCTOBER 2009 IN SIDNEY WAS 41.1
DEGREES...WHICH WAS THE SECOND COLDEST OCTOBER IN SIDNEY WEATHER
HISTORY. THE COLDEST OCTOBER EVER IN SIDNEY WAS 39.0 DEGREES IN
1969.

SCOTTSBLUFF HAD ITS SNOWIEST OCTOBER ON RECORD WITH 24.9 INCHES.
THE SECOND SNOWIEST OCTOBER WAS 21.6 INCHES IN 1969.

RAWLINS HAD ITS EIGHTH WETTEST OCTOBER ON RECORD WITH 1.61 INCHES
OF RAIN AND MELTED SNOW. THE WETTEST OCTOBER EVER IN RAWLINS WAS
3.14 INCHES IN 1971.

SCOTTSBLUFF HAD ITS SIXTH WETTEST OCTOBER ON RECORD WITH 2.53
INCHES. THE WETTEST OCTOBER EVER IN SCOTTSBLUFF WAS 3.02 INCHES
IN 1969.