Every fall in Deer Lodge, MT from 1893 to 2025, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.
| Year | Mean, °F | Rank | High, °F | Rank | Low, °F | Rank | Precipitation, in | Rank | Days missing |
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| 2025 | 45.1 | 8 | 60.6 | 7 | 29.5 | 19 | 2.01 | 41 | 0 |
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| 2024 | 44.2 | 17 | 60.8 | 6 | 27.5 | 43 | 1.27 | 61 | 0 |
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| 2023 | 42.3 | 41 | 56.7 | 53 | 27.7 | 38 | 2.40 | 35 | 1 |
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| 2022 | 39.8 | 83 | 55.2 | 70 | 24.4 | 82 | 2.68 | 26 | 0 |
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| 2021 | 44 | 21 | 60.3 | 8 | 27.8 | 35 | 0.97 | 73 | 1 |
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| 2020 | 41.2 | 65 | 56.7 | 53 | 25.7 | 69 | 2.90 | 20 | 0 |
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| 2019 | | | | | | | 3.11 | 16 | 18 |
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| 2018 | 38.8 | 85 | 53 | 87 | 24.6 | 79 | 2.33 | 36 | 1 |
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| 2017 | | | | | | | | | 62 |
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| 2016 | 42.1 | 46 | 56.8 | 51 | 27.1 | 51 | | | 1 |
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| 2015 | 43 | 30 | 57.2 | 44 | 28.5 | 31 | | | 8 |
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| 2014 | 41.7 | 55 | 57 | 48 | 25.9 | 63 | | | 6 |
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| 2013 | 41.1 | 68 | 55.3 | 66 | 26.9 | 55 | | | 0 |
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| 2009 | 41.6 | 60 | 56.9 | 49 | 26.3 | 61 | 1.23 | 63 | 0 |
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| 2008 | 42.3 | 41 | 57.3 | 42 | 27.3 | 46 | | | 3 |
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| 2007 | 40.8 | 71 | 56.5 | 56 | 24.7 | 77 | 2.47 | 29 | 4 |
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| 2006 | 42.1 | 46 | 57.3 | 42 | 25.9 | 63 | | | 9 |
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| 2005 | | | 58.1 | 32 | | | 2.72 | 24 | 16 |
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| 2004 | 42.7 | 36 | 58.3 | 29 | 27 | 53 | 1.99 | 43 | 7 |
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| 2003 | | | | | | | | | 35 |
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| 2002 | | | | | | | | | 40 |
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| 2001 | | | | | | | | | 46 |
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| 2000 | | | | | | | | | 46 |
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| 1999 | | | | | | | | | 33 |
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| 1998 | | | | | | | | | 40 |
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| 1997 | | | | | | | | | 35 |
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| 1996 | 38.5 | 86 | 55.1 | 72 | 21.8 | 91 | | | 1 |
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| 1995 | 41.3 | 62 | 57.1 | 45 | 25.2 | 73 | 5.28 | 1 | 2 |
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| 1994 | 40.4 | 74 | 57.6 | 41 | 23.2 | 86 | | | 2 |
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| 1993 | 37 | 89 | 54 | 83 | 19.9 | 92 | | | 8 |
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| 1992 | | | | | | | | | 33 |
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| 1991 | | | | | | | | | 36 |
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| 1990 | 44.5 | 15 | 61.6 | 3 | 27.2 | 49 | 0.98 | 72 | 1 |
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| 1989 | 42.4 | 38 | 58.1 | 32 | 26.7 | 57 | 0.62 | 79 | 0 |
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| 1988 | 43.2 | 27 | 58.9 | 24 | 27 | 53 | | | 3 |
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| 1987 | 41.2 | 65 | 59.8 | 14 | 22.1 | 89 | 0.25 | 82 | 6 |
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| 1986 | | | | | | | 1.91 | 45 | 22 |
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| 1985 | 34.1 | 91 | 47.4 | 92 | 19.9 | 92 | 3.52 | 11 | 6 |
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| 1984 | 37.2 | 88 | 52 | 90 | 22.5 | 88 | 1.20 | 64 | 7 |
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| 1983 | 40.2 | 77 | 54.5 | 79 | 25.7 | 69 | 2.13 | 38 | 4 |
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| 1982 | | | | | | | | | 36 |
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| 1981 | 43 | 30 | 58.4 | 27 | 27.5 | 43 | 2.46 | 30 | 0 |
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| 1980 | 42.9 | 33 | 58 | 37 | 27.7 | 38 | 3.69 | 9 | 1 |
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| 1979 | 41.8 | 50 | 59.3 | 19 | 24.3 | 83 | 0.55 | 81 | 0 |
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| 1978 | 40.1 | 79 | 55.9 | 62 | 24.3 | 83 | 2.73 | 23 | 0 |
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| 1977 | 40.9 | 70 | 55.3 | 66 | 26.5 | 59 | 3.78 | 7 | 0 |
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| 1976 | 42.8 | 35 | 60.1 | 10 | 25.2 | 73 | 2.01 | 41 | 1 |
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| 1975 | 41.3 | 62 | 57.1 | 45 | 25.6 | 71 | 3.98 | 4 | 1 |
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| 1974 | 43.3 | 25 | 59.3 | 19 | 27.2 | 49 | 1.49 | 55 | 0 |
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| 1973 | 41.7 | 55 | 54.4 | 80 | 29 | 25 | 2.97 | 19 | 0 |
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| 1972 | 40.2 | 77 | 55.2 | 70 | 25.2 | 73 | 1.45 | 57 | 0 |
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| 1971 | 40.3 | 76 | 54.3 | 81 | 26.3 | 61 | 1.85 | 46 | 0 |
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| 1970 | 39.8 | 83 | 54 | 83 | 25.6 | 71 | 1.77 | 49 | 0 |
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| 1969 | 41.8 | 50 | 56.4 | 57 | 26.8 | 56 | 1.24 | 62 | 2 |
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| 1968 | 41.7 | 55 | 54.7 | 77 | 28.7 | 30 | 3.71 | 8 | 0 |
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| 1967 | 44.6 | 13 | 59.9 | 12 | 29.2 | 23 | 2.89 | 21 | 0 |
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| 1966 | 44.2 | 17 | 59.8 | 14 | 28.8 | 29 | 1.14 | 65 | 1 |
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| 1965 | 41.7 | 55 | 55.8 | 64 | 27.6 | 41 | 3.79 | 6 | 0 |
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| 1964 | 42.2 | 43 | 59.3 | 19 | 24.6 | 79 | 0.86 | 75 | 3 |
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| 1963 | 46.3 | 2 | 62.3 | 2 | 30.4 | 10 | 2.72 | 24 | 0 |
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| 1962 | 44.5 | 15 | 58.2 | 31 | 30.7 | 7 | 2.19 | 37 | 1 |
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| 1961 | 38.3 | 87 | 52.2 | 89 | 24.7 | 77 | 2.59 | 28 | 2 |
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| 1960 | 42.6 | 37 | 59.3 | 19 | 25.8 | 67 | 0.74 | 77 | 0 |
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| 1959 | 39.9 | 81 | 54.1 | 82 | 24.8 | 76 | 3.33 | 13 | 7 |
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| 1958 | 43.2 | 27 | 58.1 | 32 | 28.2 | 32 | | | 2 |
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| 1957 | 42.4 | 38 | 55.9 | 62 | 28.9 | 27 | 1.66 | 51 | 1 |
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| 1956 | 41.8 | 50 | 56.1 | 59 | 27.6 | 41 | 1.14 | 65 | 1 |
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| 1955 | 40.1 | 79 | 53.1 | 86 | 27.1 | 51 | 1.34 | 60 | 0 |
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| 1954 | 44.7 | 12 | 59.5 | 18 | 29.9 | 14 | 0.63 | 78 | 0 |
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| 1953 | 47.1 | 1 | 62.9 | 1 | 31.4 | 3 | 1.05 | 68 | 0 |
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| 1952 | 42.2 | 43 | 58.6 | 25 | 25.9 | 63 | 1.43 | 58 | 0 |
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| 1951 | 40.8 | 71 | 52.8 | 88 | 28.9 | 27 | 3.92 | 5 | 0 |
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| 1950 | 41.8 | 50 | 55.3 | 66 | 28.1 | 34 | 2.41 | 34 | 1 |
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| 1949 | 43.5 | 23 | 58.1 | 32 | 29 | 25 | 1.00 | 69 | 0 |
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| 1948 | 42 | 48 | 56.7 | 53 | 27.4 | 45 | 0.88 | 74 | 2 |
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| 1947 | 43.4 | 24 | 56.8 | 51 | 30 | 13 | 5.26 | 2 | 0 |
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| 1946 | 41.8 | 50 | 55 | 73 | 28.2 | 32 | 5.19 | 3 | 3 |
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| 1945 | 45.1 | 8 | 60 | 11 | 30.2 | 11 | 1.80 | 48 | 0 |
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| 1944 | 45.6 | 3 | 61.6 | 3 | 29.6 | 18 | 1.08 | 67 | 0 |
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| 1943 | 45.6 | 3 | 61.4 | 5 | 29.9 | 14 | 1.85 | 46 | 0 |
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| 1942 | 44.2 | 17 | 58.1 | 32 | 30.5 | 8 | 1.60 | 53 | 1 |
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| 1941 | 41.9 | 49 | 54.6 | 78 | 29.2 | 23 | 2.68 | 26 | 0 |
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| 1940 | 43 | 30 | 56 | 60 | 30.1 | 12 | 3.24 | 15 | 2 |
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| 1939 | 44.8 | 11 | 60.2 | 9 | 29.5 | 19 | 2.45 | 31 | 0 |
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| 1938 | 44.6 | 13 | 58 | 37 | 31.3 | 5 | 3.05 | 18 | 0 |
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| 1937 | 45.2 | 7 | 57.7 | 40 | 32.7 | 2 | 2.10 | 39 | 0 |
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| 1936 | 41.2 | 65 | 56 | 60 | 26.5 | 59 | 1.48 | 56 | 0 |
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| 1935 | 42.2 | 43 | 56.9 | 49 | 27.3 | 46 | 0.62 | 79 | 1 |
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| 1934 | 45.3 | 5 | 57.8 | 39 | 32.8 | 1 | 2.44 | 33 | 0 |
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| 1933 | 45.3 | 5 | 59.6 | 16 | 31.1 | 6 | 2.03 | 40 | 0 |
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| 1932 | 43.8 | 22 | 57.1 | 45 | 30.5 | 8 | 0.81 | 76 | 0 |
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| 1931 | 41.3 | 62 | 54.8 | 76 | 27.8 | 35 | 1.72 | 50 | 0 |
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| 1930 | 42.4 | 38 | 54.9 | 75 | 29.9 | 14 | 3.08 | 17 | 0 |
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| 1929 | 39.9 | 81 | 55.3 | 66 | 24.5 | 81 | 1.61 | 52 | 1 |
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| 1928 | | | | | | | | | 35 |
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| 1923 | 40.5 | 73 | 58.4 | 27 | 23 | 87 | 0.99 | 71 | 3 |
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| 1922 | 43.3 | 25 | 59.6 | 16 | 26.7 | 57 | 1.53 | 54 | 1 |
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| 1921 | 42.9 | 33 | 58.3 | 29 | 27.3 | 46 | 2.83 | 22 | 3 |
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| 1920 | 41.7 | 55 | 53.5 | 85 | 29.5 | 19 | 1.98 | 44 | 3 |
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| 1919 | | | | | | | | | 41 |
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| 1918 | 41.4 | 61 | 55.4 | 65 | 27.8 | 35 | 3.59 | 10 | 6 |
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| 1917 | 43.1 | 29 | 58.5 | 26 | 27.7 | 38 | 2.45 | 31 | 1 |
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| 1916 | 35.9 | 90 | 49.9 | 91 | 22 | 90 | 1.00 | 69 | 0 |
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| 1912 | | | | | | | 3.48 | 12 | 91 |
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| 1906 | | | | | | | | | 44 |
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| 1905 | | | | | 24.3 | 83 | 1.37 | 59 | 59 |
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| 1904 | 44.2 | 17 | 59.2 | 23 | 29.4 | 22 | | | 2 |
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| 1903 | 40.4 | 74 | 55 | 73 | 25.8 | 67 | | | 0 |
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| 1902 | 41.1 | 68 | 56.2 | 58 | 25.9 | 63 | | | 3 |
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| 1901 | | | | | 31.4 | 3 | 3.25 | 14 | 34 |
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| 1899 | 44.9 | 10 | 59.9 | 12 | 29.9 | 14 | | | 0 |
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| 1897 | | | | | | | | | 61 |
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| 1896 | | | | | | | | | 58 |
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| 1895 | | | | | | | | | 61 |
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| 1893 | | | | | | | | | 20 |
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