Every spring in Deer Lodge, MT from 1893 to 2026, 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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| 2026 | 43.1 | 12 | 58.1 | 13 | 28.1 | 25 | 4.13 | 15 | 0 |
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| 2025 | 43.3 | 11 | 58.4 | 10 | 28.1 | 25 | 3.89 | 16 | 0 |
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| 2024 | 39.8 | 53 | 53.8 | 47 | 25.8 | 60 | 3.66 | 21 | 0 |
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| 2023 | 39.1 | 68 | 52.9 | 63 | 25.2 | 71 | 3.22 | 29 | 0 |
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| 2022 | 37.2 | 83 | 51.2 | 80 | 23.3 | 85 | 2.01 | 64 | 1 |
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| 2021 | | | | | | | 2.25 | 56 | 17 |
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| 2020 | 38.9 | 71 | 52.4 | 67 | 25.3 | 69 | 4.88 | 8 | 0 |
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| 2019 | 35.4 | 89 | 48.1 | 90 | 22.8 | 87 | 3.49 | 23 | 0 |
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| 2018 | | | | | | | | | 31 |
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| 2017 | | | | | | | | | 61 |
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| 2016 | | | | | | | | | 37 |
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| 2015 | 42.3 | 20 | 56.7 | 20 | 27.8 | 31 | | | 0 |
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| 2014 | 40.3 | 46 | 55.1 | 35 | 25.5 | 66 | | | 0 |
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| 2013 | | | | | | | | | 30 |
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| 2010 | 39.8 | 53 | 53.7 | 49 | 25.6 | 63 | | | 2 |
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| 2009 | 38.3 | 75 | 52.1 | 74 | 24.4 | 80 | | | 6 |
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| 2008 | 37.9 | 80 | 51.2 | 80 | 24.6 | 77 | | | 7 |
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| 2007 | 43.6 | 9 | 59 | 6 | 28.1 | 25 | 4.38 | 12 | 7 |
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| 2006 | 42.6 | 17 | 56.9 | 18 | 28.3 | 20 | | | 3 |
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| 2005 | 41.1 | 36 | 56 | 26 | 26 | 56 | 4.79 | 9 | 2 |
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| 2004 | | | | | | | 3.18 | 30 | 15 |
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| 2003 | | | | | | | | | 34 |
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| 2002 | | | | | | | | | 39 |
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| 2001 | | | | | | | | | 43 |
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| 2000 | | | | | | | | | 34 |
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| 1999 | | | | | | | | | 86 |
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| 1997 | 36.2 | 87 | 49.8 | 88 | 22.5 | 91 | | | 2 |
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| 1996 | 38.9 | 71 | 52.2 | 71 | 25.6 | 63 | | | 0 |
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| 1995 | 38.8 | 73 | 53.6 | 51 | 23.9 | 82 | | | 1 |
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| 1994 | 42.7 | 15 | 59 | 6 | 26.4 | 47 | 2.77 | 33 | 1 |
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| 1993 | 41.6 | 32 | 56.9 | 18 | 26.3 | 49 | 2.31 | 51 | 1 |
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| 1992 | | | | | | | | | 32 |
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| 1991 | 39.4 | 65 | 53.5 | 53 | 25.3 | 69 | 2.30 | 54 | 3 |
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| 1990 | 40.2 | 47 | 54.6 | 42 | 25.7 | 62 | 3.71 | 20 | 0 |
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| 1989 | | | | | | | | | 31 |
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| 1988 | 41.9 | 25 | 55.9 | 27 | 27.8 | 31 | 3.54 | 22 | 2 |
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| 1987 | 42.9 | 13 | 58.3 | 11 | 27.3 | 37 | 1.85 | 68 | 6 |
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| 1986 | 41.8 | 26 | 56.5 | 22 | 26.8 | 42 | 1.14 | 81 | 8 |
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| 1985 | 39.8 | 53 | 56.1 | 24 | 23.5 | 84 | 1.90 | 66 | 1 |
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| 1984 | 39.8 | 53 | 52 | 77 | 27.6 | 34 | 2.24 | 57 | 5 |
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| 1983 | | | | | | | | | 81 |
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| 1982 | 38.1 | 77 | 52.2 | 71 | 24.1 | 81 | 5.21 | 6 | 1 |
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| 1981 | 41.8 | 26 | 55.8 | 30 | 27.9 | 30 | 5.96 | 3 | 0 |
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| 1980 | 42.6 | 17 | 56.7 | 20 | 28.3 | 20 | 7.50 | 1 | 1 |
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| 1979 | 40.6 | 39 | 54.8 | 39 | 26.6 | 44 | 1.75 | 72 | 1 |
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| 1978 | 41.8 | 26 | 54.7 | 41 | 28.8 | 16 | 4.31 | 13 | 0 |
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| 1977 | 40.5 | 41 | 55.9 | 27 | 25.1 | 72 | 2.65 | 39 | 0 |
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| 1976 | 40.4 | 44 | 55.9 | 27 | 24.9 | 73 | 3.02 | 31 | 0 |
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| 1975 | 33.7 | 91 | 45 | 92 | 22.6 | 89 | 4.27 | 14 | 1 |
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| 1974 | 39.4 | 65 | 52.2 | 71 | 26.6 | 44 | 2.31 | 51 | 0 |
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| 1973 | 40.2 | 47 | 54 | 44 | 26.4 | 47 | 1.74 | 73 | 0 |
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| 1972 | 41.3 | 33 | 55.2 | 34 | 27.4 | 35 | 2.24 | 57 | 0 |
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| 1971 | 39.8 | 53 | 53.4 | 54 | 26.3 | 49 | 2.28 | 55 | 0 |
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| 1970 | 37.5 | 81 | 50.1 | 86 | 24.8 | 76 | 2.73 | 35 | 0 |
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| 1969 | 39.9 | 51 | 54.8 | 39 | 24.9 | 73 | 1.82 | 69 | 0 |
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| 1968 | 39.8 | 53 | 53.7 | 49 | 25.8 | 60 | 1.88 | 67 | 0 |
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| 1967 | 37.5 | 81 | 50.4 | 85 | 24.6 | 77 | 3.41 | 25 | 2 |
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| 1966 | 41.2 | 35 | 56.5 | 22 | 25.9 | 58 | 1.15 | 80 | 0 |
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| 1965 | 36.2 | 87 | 49.9 | 87 | 22.6 | 89 | 4.65 | 11 | 2 |
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| 1964 | 37.1 | 85 | 51.1 | 82 | 23 | 86 | 2.72 | 37 | 1 |
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| 1963 | 42.1 | 22 | 54.9 | 37 | 29.3 | 11 | 2.24 | 57 | 1 |
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| 1962 | 39.8 | 53 | 53.3 | 56 | 26.1 | 54 | | | 2 |
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| 1961 | | | | | | | | | 26 |
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| 1960 | 39 | 69 | 53.1 | 61 | 24.9 | 73 | 2.13 | 62 | 0 |
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| 1959 | | | | | | | | | 46 |
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| 1958 | 42.4 | 19 | 56.1 | 24 | 28.7 | 17 | 2.60 | 42 | 2 |
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| 1957 | 42.7 | 15 | 55.4 | 32 | 30.1 | 4 | 4.66 | 10 | 0 |
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| 1956 | 42 | 24 | 55 | 36 | 29.1 | 13 | 3.39 | 26 | 0 |
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| 1955 | 37 | 86 | 49.4 | 89 | 24.6 | 77 | 2.51 | 44 | 0 |
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| 1954 | 40.6 | 39 | 54 | 44 | 27.3 | 37 | 1.29 | 78 | 0 |
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| 1953 | 40.7 | 38 | 53.2 | 59 | 28.2 | 22 | 2.37 | 47 | 0 |
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| 1952 | 41.8 | 26 | 55.6 | 31 | 28.1 | 25 | 2.50 | 45 | 0 |
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| 1951 | 39.5 | 64 | 53.1 | 61 | 25.9 | 58 | 2.55 | 43 | 0 |
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| 1950 | 39 | 69 | 51.3 | 79 | 26.7 | 43 | 2.65 | 39 | 0 |
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| 1949 | 42.9 | 13 | 57.2 | 17 | 28.7 | 17 | 2.72 | 37 | 0 |
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| 1948 | 39.4 | 65 | 52.7 | 64 | 26.3 | 49 | 2.73 | 35 | 1 |
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| 1947 | 44.7 | 4 | 59.7 | 4 | 29.7 | 7 | 1.62 | 75 | 0 |
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| 1946 | 45.2 | 3 | 60.4 | 2 | 30 | 6 | 2.31 | 51 | 1 |
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| 1945 | 41.8 | 26 | 55.4 | 32 | 28.2 | 22 | 2.77 | 33 | 0 |
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| 1944 | 42.2 | 21 | 57.4 | 16 | 27 | 39 | 3.49 | 23 | 0 |
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| 1943 | 40.5 | 41 | 54.1 | 43 | 26.9 | 40 | 3.81 | 19 | 0 |
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| 1942 | 42.1 | 22 | 54.9 | 37 | 29.3 | 11 | 5.43 | 4 | 0 |
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| 1941 | 43.9 | 8 | 58.1 | 13 | 29.7 | 7 | 1.82 | 69 | 1 |
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| 1940 | 45.6 | 2 | 59 | 6 | 32.2 | 2 | 2.16 | 61 | 0 |
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| 1939 | 44.1 | 7 | 58.7 | 9 | 29.4 | 10 | 3.83 | 18 | 0 |
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| 1938 | 41.7 | 31 | 53.3 | 56 | 30.1 | 4 | 6.35 | 2 | 0 |
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| 1937 | 40.5 | 41 | 52.4 | 67 | 28.6 | 19 | 2.04 | 63 | 0 |
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| 1936 | 44.6 | 6 | 58.2 | 12 | 31 | 3 | 1.26 | 79 | 0 |
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| 1935 | 39.7 | 62 | 53.2 | 59 | 26.2 | 52 | 1.98 | 65 | 1 |
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| 1934 | 48.6 | 1 | 63.9 | 1 | 33.3 | 1 | 1.45 | 77 | 0 |
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| 1933 | 40.4 | 44 | 52.6 | 66 | 28.2 | 22 | 2.35 | 49 | 0 |
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| 1932 | 39.9 | 51 | 52.3 | 70 | 27.4 | 35 | 3.26 | 28 | 0 |
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| 1931 | 43.4 | 10 | 57.7 | 15 | 29.1 | 13 | 0.91 | 82 | 0 |
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| 1929 | 39.6 | 63 | 53.4 | 54 | 25.4 | 67 | 2.17 | 60 | 3 |
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| 1924 | 40.8 | 37 | 53.8 | 47 | 27.8 | 31 | 2.36 | 48 | 0 |
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| 1923 | 40 | 49 | 53.6 | 51 | 26.1 | 54 | 2.41 | 46 | 1 |
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| 1922 | 38.8 | 73 | 51.7 | 78 | 26.2 | 52 | 5.31 | 5 | 2 |
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| 1921 | | | | | | | | | 37 |
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| 1920 | 38.1 | 77 | 50.7 | 84 | 25.6 | 63 | 3.84 | 17 | 0 |
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| 1919 | 44.7 | 4 | 59.9 | 3 | 29.5 | 9 | 1.52 | 76 | 0 |
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| 1918 | 40 | 49 | 54 | 44 | 26 | 56 | 0.76 | 83 | 0 |
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| 1917 | 34.3 | 90 | 47.1 | 91 | 21.8 | 93 | 2.65 | 39 | 1 |
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| 1916 | | | | | | | | | 23 |
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| 1913 | | | | | | | 2.89 | 32 | 92 |
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| 1906 | | | | | | | | | 36 |
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| 1905 | | | | | 28.9 | 15 | | | 16 |
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| 1904 | | | | | | | | | 15 |
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| 1903 | 38.3 | 75 | 51.1 | 82 | 25.4 | 67 | 0.14 | 84 | 2 |
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| 1902 | 39.8 | 53 | 52.1 | 74 | 28.1 | 25 | | | 4 |
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| 1901 | | | | | | | | | 89 |
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| 1899 | 37.2 | 83 | 52.4 | 67 | 22.4 | 92 | | | 3 |
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| 1898 | | | | | 26.5 | 46 | 5.03 | 7 | 61 |
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| 1897 | | | 53.3 | 56 | | | 1.71 | 74 | 33 |
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| 1896 | 38.1 | 77 | 52.1 | 74 | 23.8 | 83 | 3.38 | 27 | 1 |
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| 1895 | 41.3 | 33 | 59.7 | 4 | 22.8 | 87 | 1.77 | 71 | 0 |
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| 1894 | | | | | | | | | 33 |
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| 1893 | 39.8 | 53 | 52.7 | 64 | 26.9 | 40 | 2.32 | 50 | 0 |
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