September 18 All-Time Records 1893–2024 |
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---|---|---|
Highest temperature | 98 °F | 1981 |
Lowest temperature | 25 °F | 1971 |
Lowest daily high | 48 °F | 1947 |
Highest daily low | 63 °F | 1938 |
Most precipitation | 0.96 inches | 1940 |
Most snow | none | - |
September 18 Average Weather 1991–2020 1 |
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---|---|---|
Average high | 75.3 °F | |
Average low | 41.9 °F | |
Chance precipitation | 18.9% | |
Chance snow | 0% |
Year | High (°F) | Low (°F) | Precip. (inches) | Snow (inches) |
---|---|---|---|---|
2023 | 74 | 47 | 0.00 | 0.0 |
2022 | 72 | 42 | 0.00 | 0.0 |
2021 | 72 | 49 | 0.31 | 0.0 |
2020 | 76 | 38 | 0.00 | 0.0 |
2019 | 65 | 49 | 0.02 | 0.0 |
2018 | 68 | 30 | 0.00 | 0.0 |
2017 | 65 | 46 | 0.33 | 0.0 |
2016 | 69 | 50 | 0.04 | 0.0 |
2015 | 68 | 45 | 0.02 | 0.0 |
2014 | 82 | 47 | 0.00 | 0.0 |
2013 | 63 | 45 | 0.23 | 0.0 |
2012 | 84 | 42 | 0.00 | 0.0 |
2011 | 73 | 48 | 0.05 | 0.0 |
2010 | 75 | 52 | 0.09 | 0.0 |
2009 | 86 | 41 | 0.00 | 0.0 |
2008 | 90 | 50 | 0.00 | 0.0 |
2007 | 64 | 36 | 0.00 | 0.0 |
2006 | 71 | 43 | 0.00 | 0.0 |
2005 | 72 | 38 | 0.00 | 0.0 |
2004 | 59 | 45 | 0.57 | 0.0 |
2003 | 71 | 38 | 0.00 | 0.0 |
2002 | 66 | 37 | 0.00 | 0.0 |
2001 | 80 | 47 | 0.00 | 0.0 |
2000 | 76 | 49 | 0.00 | 0.0 |
1999 | 83 | 39 | 0.00 | 0.0 |
1998 | 76 | 53 | 0.00 | 0.0 |
1997 | 60 | 45 | 0.04 | 0.0 |
1996 | 60 | 44 | 0.00 | 0.0 |
1995 | 77 | 44 | 0.00 | 0.0 |
1994 | 88 | 45 | 0.00 | 0.0 |
1993 | 70 | 30 | 0.00 | 0.0 |
1992 | 73 | 31 | 0.00 | 0.0 |
1991 | 80 | 53 | 0.00 | 0.0 |
1990 | 79 | 38 | 0.00 | 0.0 |
1989 | 63 | 46 | 0.37 | 0.0 |
1988 | 57 | 32 | 0.06 | 0.0 |
1987 | 75 | 36 | 0.00 | 0.0 |
1986 | 57 | 44 | 0.05 | 0.0 |
1985 | 53 | 41 | 0.68 | 0.0 |
1984 | 87 | 51 | 0.00 | 0.0 |
1983 | 55 | 39 | 0.23 | 0.0 |
1982 | 82 | 48 | 0.00 | 0.0 |
1981 | 98 | 51 | 0.00 | 0.0 |
1980 | 76 | 46 | 0.00 | 0.0 |
1979 | 88 | 47 | 0.00 | 0.0 |
1978 | 56 | 29 | 0.00 | 0.0 |
1977 | 72 | 47 | 0.00 | 0.0 |
1976 | 74 | 44 | 0.06 | 0.0 |
1975 | 67 | 33 | 0.00 | 0.0 |
1974 | 84 | 41 | 0.00 | 0.0 |
1973 | 75 | 49 | 0.21 | 0.0 |
1972 | 73 | 38 | 0.00 | 0.0 |
1971 | 69 | 25 | 0.00 | 0.0 |
1970 | 76 | 41 | 0.04 | 0.0 |
1969 | 70 | 52 | 0.03 | 0.0 |
1968 | 61 | 47 | 0.71 | 0.0 |
1967 | 81 | 45 | 0.00 | 0.0 |
1966 | 83 | 49 | 0.00 | 0.0 |
1965 | 59 | 28 | 0.00 | 0.0 |
1964 | 59 | 31 | 0.00 | 0.0 |
1963 | 73 | 37 | 0.00 | 0.0 |
1962 | 88 | 52 | 0.00 | 0.0 |
1961 | 72 | 47 | 0.00 | 0.0 |
1960 | 83 | 46 | 0.00 | 0.0 |
1959 | 64 | 50 | 0.01 | 0.0 |
1958 | 70 | 47 | 0.00 | 0.0 |
1957 | 74 | 39 | 0.04 | 0.0 |
1956 | 85 | 45 | 0.00 | 0.0 |
1955 | 67 | 35 | 0.00 | 0.0 |
1954 | 63 | 43 | 0.09 | 0.0 |
1953 | 76 | 36 | 0.00 | 0.0 |
1952 | 86 | 50 | 0.00 | 0.0 |
1951 | 82 | 48 | 0.00 | 0.0 |
1950 | 78 | 34 | 0.00 | 0.0 |
1949 | 74 | 43 | 0.00 | 0.0 |
1948 | 70 | 49 | 0.00 | 0.0 |
1947 | 48 | 38 | 0.00 | 0.0 |
1946 | 65 | 39 | 0.00 | 0.0 |
1945 | 59 | 36 | 0.00 | 0.0 |
1944 | 53 | 31 | 0.00 | 0.0 |
1943 | 63 | 49 | 0.00 | 0.0 |
1942 | 60 | 33 | 0.04 | 0.0 |
1941 | 50 | 43 | 0.51 | 0.0 |
1940 | 56 | 50 | 0.96 | 0.0 |
1939 | 77 | 47 | 0.00 | 0.0 |
1938 | 94 | 63 | 0.00 | 0.0 |
1937 | 86 | 45 | 0.00 | 0.0 |
1936 | 73 | 38 | 0.00 | 0.0 |
1935 | 73 | 37 | 0.00 | 0.0 |
1934 | 69 | 53 | 0.00 | 0.0 |
1933 | 60 | 45 | 0.10 | 0.0 |
1932 | 53 | 38 | 0.00 | 0.0 |
1931 | 58 | 48 | 0.20 | 0.0 |
1930 | 73 | 55 | 0.00 | 0.0 |
1929 | 77 | 49 | 0.00 | 0.0 |
1928 | 68 | 46 | 0.00 | 0.0 |
1927 | 73 | 41 | 0.00 | 0.0 |
1926 | n/a | n/a | n/a | n/a |
1925 | 68 | 42 | 0.00 | 0.0 |
1924 | 55 | 37 | 0.18 | 0.0 |
1923 | 76 | 43 | 0.00 | 0.0 |
1922 | 85 | 50 | 0.00 | 0.0 |
1921 | 65 | 50 | 0.05 | 0.0 |
1920 | 65 | 52 | 0.00 | 0.0 |
1919 | 71 | 45 | 0.00 | 0.0 |
1918 | 84 | 55 | 0.00 | 0.0 |
1917 | 88 | 61 | 0.00 | 0.0 |
1916 | 82 | 46 | 0.00 | 0.0 |
1915 | 80 | 44 | 0.00 | 0.0 |
1914 | 75 | 44 | 0.17 | 0.0 |
1913 | 87 | 51 | 0.00 | 0.0 |
1912 | 70 | 43 | 0.00 | 0.0 |
1911 | 68 | 39 | 0.00 | 0.0 |
1910 | 73 | 40 | 0.00 | 0.0 |
1909 | 71 | 55 | 0.20 | 0.0 |
1908 | 55 | 46 | 0.00 | 0.0 |
1907 | 56 | 37 | 0.00 | 0.0 |
1906 | 87 | 54 | 0.00 | 0.0 |
1905 | 70 | 42 | 0.00 | 0.0 |
1904 | 69 | 38 | 0.00 | 0.0 |
1903 | 70 | 42 | 0.00 | 0.0 |
1902 | 67 | 40 | 0.00 | 0.0 |
1901 | 75 | 40 | 0.00 | 0.0 |
1900 | 86 | 45 | 0.00 | 0.0 |
1899 | 79 | 50 | 0.00 | 0.0 |
1898 | 88 | 55 | 0.00 | 0.0 |
1897 | 72 | 38 | 0.00 | 0.0 |
1896 | 69 | 36 | 0.00 | 0.0 |
1895 | 54 | 28 | 0.00 | 0.0 |
1894 | 65 | 38 | 0.00 | 0.0 |
Rank | Temperature | Year |
---|---|---|
1 | 98 °F | 1981 |
2 | 94 °F | 1938 |
3 | 90 °F | 2008 |
4 | 88 °F | 1962 |
4 | 88 °F | 1898 |
4 | 88 °F | 1994 |
4 | 88 °F | 1979 |
4 | 88 °F | 1917 |
9 | 87 °F | 1906 |
9 | 87 °F | 1913 |
9 | 87 °F | 1984 |
Rank | Temperature | Year |
---|---|---|
1 | 25 °F | 1971 |
2 | 28 °F | 1895 |
2 | 28 °F | 1965 |
4 | 29 °F | 1978 |
5 | 30 °F | 2018 |
5 | 30 °F | 1993 |
7 | 31 °F | 1964 |
7 | 31 °F | 1992 |
7 | 31 °F | 1944 |
10 | 32 °F | 1988 |
Rank | Temperature | Year |
---|---|---|
1 | 48 °F | 1947 |
2 | 50 °F | 1941 |
3 | 53 °F | 1932 |
3 | 53 °F | 1944 |
3 | 53 °F | 1985 |
6 | 54 °F | 1895 |
7 | 55 °F | 1908 |
7 | 55 °F | 1983 |
7 | 55 °F | 1924 |
10 | 56 °F | 1907 |
10 | 56 °F | 1940 |
10 | 56 °F | 1978 |
Rank | Precipitation | Year |
---|---|---|
1 | 0.96 inches | 1940 |
2 | 0.71 inches | 1968 |
3 | 0.68 inches | 1985 |
4 | 0.57 inches | 2004 |
5 | 0.51 inches | 1941 |
6 | 0.37 inches | 1989 |
7 | 0.33 inches | 2017 |
8 | 0.31 inches | 2021 |
9 | 0.23 inches | 2013 |
9 | 0.23 inches | 1983 |
Years | Station | Coordinates |
---|---|---|
1893–2024 | University of Idaho | location |