Casper April 18 Weather Records

Daily averages and all-time records for weather in Casper, Wyoming for the date of April 18.
April 18 All-Time Records
1900–2024
Highest temperature 80 °F 2001
Lowest temperature 4 °F 2013
Lowest daily high 27 °F 1966
Highest daily low 49 °F 1985
Most precipitation 0.70 inches 1971
Most snow 10.2 inches 1966
April 18 Average Weather
1991–2020 1
Average high 57.2 °F
Average low 29.1 °F
Chance precipitation 34.8%
Chance snow 19.0%
Casper April 18 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2024 41 23 0.02 0.1
2023 63 35 0.03 0.0
2022 58 19 0.00 0.0
2021 60 29 0.00 0.0
2020 60 28 0.00 0.0
2019 60 30 0.00 0.0
2018 49 18 0.00 0.0
2017 61 30 0.32 0.0
2016 41 31 0.07 0.0
2015 48 34 0.03 0.0
2014 74 37 0.00 0.0
2013 36 4 0.00 0.0
2012 62 29 0.02 0.0
2011 40 32 0.14 0.0
2010 68 35 0.00 0.0
2009 53 27 0.02 0.0
2008 66 27 0.00 0.0
2007 72 42 0.00 0.0
2006 36 29 0.27 2.3
2005 69 39 0.00 0.0
2004 49 34 0.37 0.0
2003 57 32 0.11 0.0
2002 46 25 0.00 0.0
2001 80 42 0.00 0.0
2000 67 39 0.00 0.0
1999 69 37 0.00 0.0
1998 48 24 0.00 0.0
1997 66 32 0.00 n/a
1996 54 30 0.06 0.0
1995 46 27 0.00 0.0
1994 79 45 0.00 0.0
1993 60 38 0.00 0.0
1992 53 33 0.00 0.0
1991 45 34 0.13 0.2
1990 69 32 0.00 0.0
1989 68 30 0.00 0.0
1988 72 30 0.06 0.0
1987 78 47 0.00 0.0
1986 50 31 0.00 0.0
1985 73 49 0.00 0.0
1984 66 37 0.00 0.0
1983 68 27 0.00 0.0
1982 56 26 0.07 1.5
1981 77 38 0.00 0.0
1980 76 43 0.00 0.0
1979 72 42 0.00 0.0
1978 53 28 0.00 0.0
1977 38 30 0.18 1.4
1976 49 30 0.04 0.3
1975 39 24 0.05 0.6
1974 71 28 0.00 0.0
1973 43 31 0.53 6.5
1972 44 28 0.59 5.6
1971 51 30 0.70 4.4
1970 35 22 0.27 3.1
1969 63 35 0.00 0.0
1968 31 21 0.00 0.0
1967 72 31 0.00 0.0
1966 27 13 0.49 10.2
1965 57 26 0.00 0.0
1964 43 28 0.20 2.1
1963 45 30 0.03 0.6
1962 77 37 0.00 0.0
1961 72 40 0.00 0.0
1960 65 37 0.00 0.0
1959 41 24 0.52 7.0
1958 63 40 0.00 0.0
1957 63 37 0.02 0.0
1956 58 23 0.00 0.0
1955 68 35 0.00 0.0
1954 57 33 0.04 0.0
1953 33 20 0.02 0.3
1952 71 35 0.00 0.0
1951 66 27 0.00 0.0
1950 39 26 0.16 5.0
1949 73 28 0.00 0.0
1948 n/a n/a n/a n/a
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 64 21 0.00 0.0
1938 71 47 0.00 0.0
1937 56 31 0.00 0.0
1936 70 35 0.00 0.0
1935 58 25 0.00 0.0
1934 60 33 0.00 0.0
1933 70 40 0.00 0.0
1932 54 39 0.48 n/a
1931 72 41 n/a n/a
1930 64 32 n/a n/a
1929 64 37 n/a n/a
1928 63 22 0.35 3.5
1927 56 38 n/a 1.0
1926 72 37 n/a n/a
1925 64 40 n/a n/a
1924 56 27 n/a n/a
1923 72 39 n/a n/a
1922 40 23 0.00 n/a
1921 62 42 0.00 n/a
1920 n/a n/a 0.00 0.0
1919 n/a n/a n/a n/a
1918 40 25 0.35 4.0
1917 51 34 0.24 1.0
1916 62 32 0.00 0.0
1915 n/a n/a n/a n/a
1914 50 32 0.08 0.0
1913 n/a n/a n/a n/a
1912 56 31 0.00 0.0
1911 65 23 0.00 0.0
1910 n/a n/a n/a n/a
1909 n/a n/a n/a n/a
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 72 26 0.00 0.0
1901 57 27 0.00 n/a
What's the all-time high for Casper on 4/18?
For the date of Apr 18, the highest temperature ever reached in Casper history is 80 °F which happened in 2001.
Highest Temperatures in Casper on April 18
Rank Temperature Year
1 80 °F 2001
2 79 °F 1994
3 78 °F 1987
4 77 °F 1981
4 77 °F 1962
6 76 °F 1980
7 74 °F 2014
8 73 °F 1985
8 73 °F 1949
10 72 °F 1979
10 72 °F 1902
10 72 °F 1961
10 72 °F 1967
10 72 °F 1923
10 72 °F 1926
10 72 °F 1988
10 72 °F 1931
10 72 °F 2007
What's the all-time low for Casper on 4/18?
For the date of Apr 18, the lowest temperature ever reached in Casper history is 4 °F which happened in 2013.
Lowest Temperatures in Casper on April 18
Rank Temperature Year
1 4 °F 2013
2 13 °F 1966
3 18 °F 2018
4 19 °F 2022
5 20 °F 1953
6 21 °F 1968
6 21 °F 1939
8 22 °F 1970
8 22 °F 1928
10 23 °F 1922
10 23 °F 2024
10 23 °F 1956
10 23 °F 1911
Lowest High Temperatures in Casper on April 18
Rank Temperature Year
1 27 °F 1966
2 31 °F 1968
3 33 °F 1953
4 35 °F 1970
5 36 °F 2013
5 36 °F 2006
7 38 °F 1977
8 39 °F 1975
8 39 °F 1950
10 40 °F 2011
10 40 °F 1922
10 40 °F 1918
What's the most it has ever rained in Casper on 4/18?
For the date of Apr 18, the most precipitation ever recorded in Casper history is 0.70 inches which happened in 1971.
All-Time Most Precipitation in Casper on April 18
Rank Precipitation Year
1 0.70 inches 1971
2 0.59 inches 1972
3 0.53 inches 1973
4 0.52 inches 1959
5 0.49 inches 1966
6 0.48 inches 1932
7 0.37 inches 2004
8 0.35 inches 1918
8 0.35 inches 1928
10 0.32 inches 2017
All-Time Most Snow in Casper on April 18
Rank Precipitation Year
1 10.2 inches 1966
2 7.0 inches 1959
3 6.5 inches 1973
4 5.6 inches 1972
5 5.0 inches 1950
6 4.4 inches 1971
7 4.0 inches 1918
8 3.5 inches 1928
9 3.1 inches 1970
10 2.3 inches 2006
Weather Station Details
Years Station Coordinates
1949–2024 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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