Casper December 9 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of December 9.
December 9 All-Time Records
1900–2023
Highest temperature 60 °F 1934
Lowest temperature -23 °F 1977
Lowest daily high 2 °F 1972
Highest daily low 43 °F 1915
Most precipitation 0.45 inches 1909
Most snow 5.0 inches 1985
December 9 Average Weather
1991–2020 1
Average high 36.6 °F
Average low 16.2 °F
Chance precipitation 24.7%
Chance snow 23.4%
Casper December 9 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2022 38 15 0.00 0.0
2021 38 18 0.23 1.4
2020 53 29 0.00 0.0
2019 27 11 0.00 0.0
2018 35 13 0.00 0.0
2017 38 28 0.00 0.0
2016 10 -11 0.00 0.0
2015 55 33 0.01 0.0
2014 55 33 0.00 0.0
2013 15 -8 0.00 0.0
2012 19 -6 0.00 0.0
2011 31 19 0.00 0.0
2010 46 28 0.00 0.0
2009 10 -19 0.00 0.0
2008 27 1 0.00 0.2
2007 23 9 0.03 0.8
2006 52 31 0.00 0.0
2005 30 15 0.00 0.0
2004 41 21 0.00 0.0
2003 25 11 0.00 0.0
2002 46 26 0.00 0.0
2001 44 20 0.00 0.0
2000 42 8 0.00 0.0
1999 39 19 0.00 0.0
1998 29 7 0.02 0.5
1997 30 25 0.17 4.0
1996 52 40 0.00 n/a
1995 38 -7 0.00 0.0
1994 28 10 0.00 0.0
1993 50 34 0.00 0.0
1992 43 20 0.00 0.0
1991 37 16 0.00 0.0
1990 54 35 0.00 0.0
1989 47 23 0.00 0.1
1988 35 24 0.00 0.0
1987 39 25 0.00 0.0
1986 16 -12 0.03 0.7
1985 20 5 0.33 5.0
1984 42 30 0.00 0.0
1983 39 17 0.00 0.0
1982 37 8 0.00 0.0
1981 57 24 0.00 0.0
1980 33 18 0.03 0.3
1979 49 34 0.00 0.0
1978 22 -1 0.00 0.0
1977 10 -23 0.00 0.0
1976 44 26 0.19 3.1
1975 56 39 0.00 0.0
1974 38 18 0.00 0.0
1973 42 12 0.00 0.0
1972 2 -18 0.00 0.0
1971 31 13 0.00 0.0
1970 44 26 0.11 0.7
1969 31 14 0.00 0.0
1968 44 23 0.00 0.0
1967 23 2 0.00 0.0
1966 24 -5 0.00 0.0
1965 50 26 0.00 0.0
1964 34 22 0.00 0.0
1963 34 8 0.12 1.8
1962 50 28 0.00 0.0
1961 2 -9 0.03 0.7
1960 33 13 0.00 0.0
1959 52 29 0.00 0.0
1958 41 8 0.00 0.0
1957 51 27 0.00 0.0
1956 31 14 0.00 0.0
1955 35 16 0.02 0.5
1954 34 18 0.00 0.0
1953 35 13 0.00 0.0
1952 32 15 0.00 0.0
1951 20 7 0.00 0.0
1950 44 14 0.00 0.0
1949 50 27 0.00 0.0
1948 39 0 0.00 0.0
1947 n/a n/a n/a n/a
1946 n/a n/a n/a n/a
1945 n/a n/a n/a n/a
1944 n/a n/a n/a n/a
1943 n/a n/a n/a n/a
1942 n/a n/a n/a n/a
1941 n/a n/a n/a n/a
1940 n/a n/a n/a n/a
1939 n/a n/a n/a n/a
1938 49 n/a 0.00 0.0
1937 7 -17 0.00 0.0
1936 35 20 0.14 2.0
1935 41 19 0.00 n/a
1934 60 21 0.00 0.0
1933 56 21 0.00 0.0
1932 n/a n/a 0.06 1.0
1931 39 26 0.00 0.0
1930 51 31 n/a n/a
1929 51 39 n/a n/a
1928 47 14 n/a n/a
1927 n/a n/a n/a n/a
1926 35 21 n/a n/a
1925 52 24 n/a n/a
1924 25 -11 n/a n/a
1923 20 9 0.04 0.8
1922 31 17 n/a n/a
1921 47 36 0.00 n/a
1920 37 27 0.00 n/a
1919 n/a n/a n/a n/a
1918 44 35 0.00 0.0
1917 26 -6 0.19 2.5
1916 n/a n/a n/a n/a
1915 50 43 0.00 0.0
1914 17 0 0.04 0.8
1913 34 -2 0.00 0.0
1912 n/a n/a n/a n/a
1911 59 30 0.00 0.0
1910 47 21 0.00 0.0
1909 39 21 0.45 4.5
1908 n/a n/a n/a n/a
1907 n/a n/a n/a n/a
1906 n/a n/a n/a n/a
1905 n/a n/a n/a n/a
1904 n/a n/a n/a n/a
1903 n/a n/a n/a n/a
1902 n/a n/a n/a n/a
1901 32 12 n/a n/a
1900 53 24 0.00 0.0
What's the all-time high for Casper on 12/9?
For the date of Dec 9, the highest temperature ever reached in Casper history is 60 °F which happened in 1934.
Highest Temperatures in Casper on December 9
Rank Temperature Year
1 60 °F 1934
2 59 °F 1911
3 57 °F 1981
4 56 °F 1933
4 56 °F 1975
6 55 °F 2014
6 55 °F 2015
8 54 °F 1990
9 53 °F 2020
9 53 °F 1900
What's the all-time low for Casper on 12/9?
For the date of Dec 9, the lowest temperature ever reached in Casper history is -23 °F which happened in 1977.
Lowest Temperatures in Casper on December 9
Rank Temperature Year
1 -23 °F 1977
2 -19 °F 2009
3 -18 °F 1972
4 -17 °F 1937
5 -12 °F 1986
6 -11 °F 1924
6 -11 °F 2016
8 -9 °F 1961
9 -8 °F 2013
10 -7 °F 1995
Lowest High Temperatures in Casper on December 9
Rank Temperature Year
1 2 °F 1972
1 2 °F 1961
3 7 °F 1937
4 10 °F 1977
4 10 °F 2016
4 10 °F 2009
7 15 °F 2013
8 16 °F 1986
9 17 °F 1914
10 19 °F 2012
What's the most it has ever rained in Casper on 12/9?
For the date of Dec 9, the most precipitation ever recorded in Casper history is 0.45 inches which happened in 1909.
All-Time Most Precipitation in Casper on December 9
Rank Precipitation Year
1 0.45 inches 1909
2 0.33 inches 1985
3 0.23 inches 2021
4 0.19 inches 1917
4 0.19 inches 1976
6 0.17 inches 1997
7 0.14 inches 1936
8 0.12 inches 1963
9 0.11 inches 1970
10 0.06 inches 1932
All-Time Most Snow in Casper on December 9
Rank Precipitation Year
1 5.0 inches 1985
2 4.5 inches 1909
3 4.0 inches 1997
4 3.1 inches 1976
5 2.5 inches 1917
6 2.0 inches 1936
7 1.8 inches 1963
8 1.4 inches 2021
9 1.0 inches 1932
10 0.8 inches 2007
10 0.8 inches 1914
10 0.8 inches 1923
Weather Station Details
Years Station Coordinates
1949–2023 Casper-Natrona County International Airport location
1900–1948 Casper 2 E location
Notes
1: Daily averages are a moving average which includes 14 days before and after the date.
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