Every February in Great Falls, MT from 1892 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 | 33.1 | 23 | 45.2 | 18 | 20.9 | 34 | 0.45 | 75 | 0 |
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| 2025 | 11.3 | 126 | 20.9 | 128 | 1.7 | 129 | 1.33 | 14 | 0 |
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| 2024 | 28.8 | 52 | 37.6 | 65 | 19.9 | 44 | 1.81 | 3 | 0 |
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| 2023 | 28 | 55 | 38.3 | 60 | 17.7 | 60 | 0.58 | 55 | 0 |
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| 2022 | 25 | 73 | 36.6 | 68 | 13.4 | 86 | 0.83 | 31 | 0 |
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| 2021 | 12.4 | 124 | 21.6 | 125 | 3.2 | 127 | 0.69 | 42 | 0 |
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| 2020 | 30 | 45 | 41.9 | 30 | 18.1 | 56 | 0.41 | 83 | 0 |
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| 2019 | -0.2 | 130 | 8.6 | 130 | -9 | 134 | 2.58 | 1 | 0 |
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| 2018 | 11.8 | 125 | 23.3 | 124 | 0.2 | 132 | 1.43 | 12 | 0 |
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| 2017 | 25.5 | 71 | 35 | 73 | 15.9 | 70 | 0.57 | 57 | 0 |
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| 2016 | 38.2 | 4 | 50.3 | 2 | 26 | 11 | 0.03 | 133 | 0 |
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| 2015 | 31 | 36 | 41.5 | 35 | 20.4 | 40 | 0.39 | 86 | 0 |
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| 2014 | 14.7 | 120 | 24.5 | 120 | 4.9 | 124 | 1.12 | 21 | 0 |
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| 2013 | 32.9 | 25 | 42.5 | 29 | 23.2 | 22 | 0.43 | 79 | 0 |
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| 2012 | 28.6 | 53 | 39.6 | 51 | 17.7 | 60 | 0.31 | 102 | 0 |
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| 2011 | 16.9 | 115 | 27 | 115 | 6.7 | 118 | 1.77 | 4 | 0 |
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| 2010 | 26.6 | 68 | 35.3 | 72 | 17.9 | 58 | 0.55 | 61 | 0 |
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| 2009 | 29.2 | 50 | 39.9 | 48 | 18.6 | 48 | 0.44 | 76 | 0 |
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| 2008 | 29.6 | 47 | 40.6 | 40 | 18.6 | 48 | 0.43 | 79 | 0 |
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| 2007 | 23.6 | 79 | 32.5 | 85 | 14.7 | 78 | 1.53 | 6 | 0 |
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| 2006 | 27 | 65 | 38.5 | 58 | 15.5 | 74 | 0.44 | 76 | 0 |
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| 2005 | 31.7 | 31 | 45.1 | 19 | 18.3 | 53 | 0.01 | 134 | 0 |
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| 2004 | 31.1 | 34 | 41.7 | 31 | 20.4 | 40 | 0.06 | 132 | 0 |
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| 2003 | 24.4 | 75 | 33.3 | 83 | 15.5 | 74 | 0.61 | 53 | 0 |
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| 2002 | 30.3 | 41 | 41.3 | 37 | 19.3 | 46 | 0.26 | 106 | 0 |
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| 2001 | 17.4 | 113 | 27.6 | 113 | 7.3 | 115 | 0.39 | 86 | 0 |
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| 2000 | 27.9 | 60 | 38.6 | 57 | 17.3 | 64 | 0.69 | 42 | 0 |
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| 1999 | 34.5 | 18 | 43.7 | 22 | 25.3 | 14 | 0.36 | 91 | 0 |
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| 1998 | 33.5 | 21 | 44.8 | 20 | 22.3 | 27 | 0.42 | 81 | 0 |
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| 1997 | 31.2 | 32 | 40.4 | 44 | 22.1 | 28 | 0.32 | 98 | 0 |
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| 1996 | 26.3 | 70 | 37.9 | 62 | 14.7 | 78 | 0.26 | 106 | 0 |
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| 1995 | 28 | 55 | 39.9 | 48 | 16.1 | 68 | 0.15 | 127 | 0 |
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| 1994 | 17.2 | 114 | 28.3 | 112 | 6.1 | 120 | 0.53 | 63 | 0 |
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| 1993 | 19.3 | 104 | 28.6 | 110 | 10 | 99 | 0.70 | 41 | 0 |
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| 1992 | 36.6 | 9 | 48.8 | 4 | 24.4 | 17 | 0.23 | 114 | 0 |
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| 1991 | 39.2 | 2 | 50.4 | 1 | 28 | 4 | 0.21 | 116 | 0 |
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| 1990 | 28 | 55 | 40.3 | 46 | 15.7 | 71 | 0.17 | 123 | 0 |
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| 1989 | 10.3 | 128 | 19.4 | 129 | 1.1 | 130 | 1.19 | 18 | 0 |
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| 1988 | 28.9 | 51 | 40.4 | 44 | 17.4 | 63 | 0.47 | 74 | 0 |
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| 1987 | 36 | 12 | 47.8 | 8 | 24.2 | 19 | 0.24 | 112 | 0 |
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| 1986 | 18.6 | 108 | 28.9 | 108 | 8.3 | 108 | 0.75 | 36 | 0 |
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| 1985 | 21.6 | 91 | 31.3 | 93 | 11.8 | 93 | 0.22 | 115 | 0 |
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| 1984 | 36.9 | 7 | 46.3 | 13 | 27.4 | 6 | 0.69 | 42 | 0 |
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| 1983 | 36.6 | 9 | 46.4 | 11 | 26.9 | 7 | 0.33 | 96 | 0 |
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| 1982 | 19.5 | 103 | 29.8 | 103 | 9.1 | 104 | 0.99 | 28 | 0 |
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| 1981 | 30.8 | 37 | 40.9 | 38 | 20.6 | 38 | 0.44 | 76 | 0 |
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| 1980 | 28 | 55 | 37.7 | 64 | 18.4 | 52 | 1.03 | 23 | 0 |
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| 1979 | 18.8 | 105 | 30.3 | 99 | 7.2 | 116 | 0.57 | 57 | 0 |
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| 1978 | 14.4 | 122 | 23.4 | 123 | 5.5 | 122 | 1.21 | 17 | 0 |
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| 1977 | 39.2 | 2 | 50.3 | 2 | 28.1 | 3 | 0.19 | 121 | 0 |
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| 1976 | 30.5 | 38 | 40.7 | 39 | 20.3 | 42 | 0.53 | 63 | 0 |
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| 1975 | 13.1 | 123 | 24.1 | 121 | 2 | 128 | 0.71 | 39 | 0 |
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| 1974 | 33.8 | 20 | 42.6 | 28 | 25 | 15 | 0.26 | 106 | 0 |
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| 1973 | 29.6 | 47 | 40.6 | 40 | 18.6 | 48 | 0.26 | 106 | 0 |
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| 1972 | 22.5 | 86 | 33.9 | 79 | 11.1 | 95 | 0.62 | 50 | 0 |
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| 1971 | 29.3 | 49 | 38 | 61 | 20.7 | 36 | 0.65 | 47 | 0 |
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| 1970 | 32.3 | 26 | 43.6 | 23 | 21 | 33 | 1.02 | 24 | 0 |
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| 1969 | 16.6 | 117 | 25.2 | 119 | 7.9 | 112 | 0.40 | 85 | 0 |
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| 1968 | 33.2 | 22 | 43.4 | 25 | 23 | 23 | 0.24 | 112 | 0 |
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| 1967 | 32.1 | 29 | 42.7 | 27 | 21.5 | 31 | 0.28 | 105 | 0 |
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| 1966 | 27 | 65 | 35.8 | 70 | 18.3 | 53 | 0.51 | 72 | 0 |
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| 1965 | 27 | 65 | 36.5 | 69 | 17.5 | 62 | 1.18 | 19 | 0 |
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| 1964 | 33 | 24 | 41.7 | 31 | 24.2 | 19 | 0.52 | 70 | 0 |
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| 1963 | 36.7 | 8 | 48.1 | 6 | 25.4 | 13 | 0.32 | 98 | 0 |
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| 1962 | 20.7 | 97 | 29.5 | 105 | 11.9 | 91 | 0.95 | 30 | 0 |
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| 1961 | 35.9 | 14 | 46.4 | 11 | 25.5 | 12 | 0.19 | 121 | 0 |
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| 1960 | 23.9 | 77 | 32.5 | 85 | 15.2 | 77 | 0.52 | 70 | 0 |
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| 1959 | 16.8 | 116 | 27 | 115 | 6.7 | 118 | 1.00 | 27 | 0 |
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| 1958 | 23.6 | 79 | 31.6 | 91 | 15.6 | 73 | 2.16 | 2 | 0 |
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| 1957 | 22.4 | 87 | 32.3 | 88 | 12.5 | 88 | 0.73 | 37 | 0 |
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| 1956 | 23.5 | 82 | 32.4 | 87 | 14.5 | 82 | 0.37 | 90 | 0 |
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| 1955 | 21.5 | 92 | 31.1 | 94 | 12 | 90 | 1.47 | 9 | 0 |
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| 1954 | 39.7 | 1 | 48.5 | 5 | 31 | 1 | 0.21 | 116 | 0 |
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| 1953 | 31.2 | 32 | 39.4 | 53 | 22.9 | 24 | 1.46 | 10 | 0 |
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| 1952 | 27.5 | 61 | 35.7 | 71 | 19.3 | 46 | 1.63 | 5 | 0 |
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| 1951 | 23.7 | 78 | 34.5 | 75 | 12.9 | 87 | 1.34 | 13 | 0 |
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| 1950 | 35.2 | 16 | 43.9 | 21 | 26.6 | 8 | 0.01 | 134 | 0 |
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| 1949 | 18.8 | 105 | 30 | 102 | 7.6 | 113 | 0.79 | 33 | 0 |
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| 1948 | 19.9 | 100 | 30.5 | 97 | 9.3 | 103 | 0.36 | 91 | 0 |
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| 1947 | 23.2 | 83 | 34.3 | 77 | 12.2 | 89 | 0.71 | 39 | 0 |
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| 1946 | 32.1 | 29 | 41.6 | 33 | 22.6 | 25 | 0.12 | 128 | 0 |
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| 1945 | 23.6 | 79 | 33.6 | 81 | 13.6 | 83 | 0.53 | 63 | 0 |
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| 1944 | 24.1 | 76 | 33.4 | 82 | 14.7 | 78 | 1.44 | 11 | 0 |
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| 1943 | 30.1 | 42 | 39.5 | 52 | 20.7 | 36 | 0.62 | 50 | 0 |
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| 1942 | 19.9 | 100 | 28.4 | 111 | 11.5 | 94 | 1.02 | 24 | 0 |
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| 1941 | 27.5 | 61 | 38.8 | 56 | 17 | 65 | 0.36 | 91 | 1 |
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| 1940 | 22.7 | 85 | 31.8 | 90 | 13.6 | 83 | 0.69 | 42 | 0 |
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| 1939 | 18.7 | 107 | 29.4 | 106 | 8 | 111 | 0.33 | 96 | 0 |
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| 1938 | 18.1 | 111 | 30.3 | 99 | 6 | 121 | 0.56 | 60 | 0 |
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| 1937 | 17.8 | 112 | 27.4 | 114 | 8.1 | 110 | 0.16 | 125 | 0 |
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| 1936 | -5.2 | 131 | 5.8 | 131 | -16.2 | 135 | 1.29 | 15 | 0 |
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| 1935 | 35.6 | 15 | 47 | 10 | 24.3 | 18 | 0.32 | 98 | 0 |
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| 1934 | 35 | 17 | 47.6 | 9 | 22.4 | 26 | 0.30 | 103 | 0 |
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| 1933 | 20.5 | 98 | 30.1 | 101 | 10.9 | 96 | 0.80 | 32 | 0 |
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| 1932 | 30.1 | 42 | 40.6 | 40 | 19.6 | 45 | 0.73 | 37 | 0 |
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| 1931 | 36.4 | 11 | 47.9 | 7 | 24.9 | 16 | 0.12 | 128 | 0 |
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| 1930 | 37 | 6 | 46.3 | 13 | 27.7 | 5 | 0.12 | 128 | 0 |
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| 1929 | 14.5 | 121 | 24 | 122 | 5 | 123 | 0.58 | 55 | 0 |
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| 1928 | 30.4 | 39 | 39.9 | 48 | 20.9 | 34 | 0.29 | 104 | 0 |
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| 1927 | 25.1 | 72 | 34.5 | 75 | 15.7 | 71 | 0.53 | 63 | 0 |
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| 1926 | 37.4 | 5 | 46.3 | 13 | 28.5 | 2 | 0.38 | 89 | 0 |
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| 1925 | 32.3 | 26 | 43.5 | 24 | 21.1 | 32 | 0.55 | 61 | 0 |
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| 1924 | 36 | 12 | 45.8 | 17 | 26.2 | 10 | 0.63 | 49 | 0 |
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| 1923 | 18.4 | 110 | 29.3 | 107 | 7.6 | 113 | 1.51 | 8 | 0 |
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| 1922 | 9 | 129 | 21 | 126 | -3 | 133 | 0.65 | 47 | 0 |
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| 1921 | 34.1 | 19 | 46.1 | 16 | 22 | 29 | 0.20 | 119 | 0 |
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| 1920 | 28.2 | 54 | 39.1 | 54 | 18.3 | 53 | 0.69 | 42 | 2 |
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| 1919 | 21.5 | 92 | 33.9 | 79 | 9.1 | 104 | 0.57 | 57 | 0 |
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| 1918 | 25 | 73 | 34.1 | 78 | 16 | 69 | 0.08 | 131 | 0 |
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| 1917 | 15.5 | 118 | 26.8 | 117 | 4.2 | 125 | 1.52 | 7 | 0 |
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| 1916 | 20.8 | 95 | 32.6 | 84 | 9 | 106 | 0.32 | 98 | 0 |
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| 1915 | 31.1 | 34 | 41.6 | 33 | 20.6 | 38 | 0.53 | 63 | 1 |
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| 1914 | 22.2 | 88 | 34.9 | 74 | 9.5 | 101 | 1.16 | 20 | 0 |
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| 1913 | 19.9 | 100 | 29.8 | 103 | 10.1 | 98 | 0.25 | 111 | 0 |
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| 1912 | 32.2 | 28 | 40.5 | 43 | 23.9 | 21 | 0.60 | 54 | 0 |
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| 1911 | 20.8 | 95 | 31 | 95 | 10.5 | 97 | 1.04 | 22 | 0 |
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| 1910 | 18.5 | 109 | 28.8 | 109 | 8.2 | 109 | 0.99 | 28 | 0 |
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| 1909 | 26.5 | 69 | 36.7 | 67 | 16.4 | 67 | 0.42 | 81 | 1 |
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| 1908 | 27.3 | 63 | 39.1 | 54 | 15.4 | 76 | 0.62 | 50 | 0 |
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| 1907 | 29.9 | 46 | 41.4 | 36 | 18.5 | 51 | 0.26 | 106 | 0 |
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| 1906 | 30.1 | 42 | 40 | 47 | 20.3 | 42 | 0.77 | 34 | 0 |
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| 1905 | 21.4 | 94 | 31.9 | 89 | 10 | 99 | 0.17 | 123 | 2 |
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| 1904 | 15.1 | 119 | 26.7 | 118 | 3.4 | 126 | 0.51 | 72 | 0 |
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| 1903 | 27.2 | 64 | 38.5 | 58 | 14.6 | 81 | 0.35 | 94 | 2 |
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| 1902 | 28 | 55 | 37.8 | 63 | 17.8 | 59 | 1.02 | 24 | 1 |
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| 1901 | 21.9 | 89 | 30.4 | 98 | 13.5 | 85 | 0.53 | 63 | 0 |
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| 1900 | 21.7 | 90 | 31.6 | 91 | 11.9 | 91 | 0.77 | 34 | 0 |
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| 1899 | 11 | 127 | 21 | 126 | 1 | 131 | 0.35 | 94 | 0 |
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| 1898 | | | | | 21.8 | 30 | 0.20 | 119 | 8 |
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| 1897 | 30.4 | 39 | 42.8 | 26 | 18 | 57 | 1.22 | 16 | 0 |
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| 1896 | | | | | 26.4 | 9 | 0.16 | 125 | 7 |
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| 1895 | 23.1 | 84 | 36.8 | 66 | 9.4 | 102 | 0.53 | 63 | 0 |
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| 1894 | 20 | 99 | 31 | 95 | 8.9 | 107 | 0.21 | 116 | 0 |
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| 1893 | | | | | 7 | 117 | 0.39 | 86 | 11 |
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| 1892 | | | | | 16.8 | 66 | 0.41 | 83 | 21 |
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