Every February in Challis, ID from 1895 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 | 34.7 | 5 | 47.2 | 5 | 22.2 | 9 | 0.14 | 87 | 0 |
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| 2025 | 24.8 | 69 | 35.8 | 70 | 13.7 | 72 | 0.89 | 9 | 0 |
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| 2024 | | | | | | | | | 9 |
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| 2023 | 18.4 | 100 | 31 | 100 | 5.9 | 107 | 0.07 | 104 | 0 |
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| 2022 | 23.6 | 77 | 36.1 | 65 | 11 | 80 | 0.08 | 103 | 0 |
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| 2021 | 24.2 | 72 | 34.6 | 80 | 13.8 | 71 | 0.38 | 45 | 0 |
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| 2020 | 20 | 95 | 33 | 92 | 7 | 101 | 0.18 | 80 | 0 |
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| 2019 | 22.5 | 82 | 32.8 | 94 | 12.3 | 78 | 1.17 | 5 | 0 |
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| 2018 | 29.9 | 21 | 41 | 25 | 18.7 | 22 | 0.22 | 73 | 0 |
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| 2017 | 27 | 51 | 35.1 | 77 | 18.9 | 21 | 0.98 | 7 | 0 |
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| 2016 | 26.9 | 53 | 38.1 | 50 | 15.7 | 58 | 0.09 | 101 | 0 |
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| 2015 | 34.9 | 4 | 45.6 | 9 | 24.2 | 4 | 0.46 | 36 | 0 |
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| 2014 | 26.2 | 59 | 35.5 | 71 | 16.9 | 40 | 0.86 | 10 | 0 |
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| 2013 | 26.3 | 58 | 36.9 | 60 | 15.6 | 61 | 0.14 | 87 | 0 |
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| 2012 | 26.8 | 55 | 38.2 | 48 | 15.5 | 62 | 0.18 | 80 | 0 |
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| 2011 | 23.6 | 77 | 34 | 85 | 13.1 | 76 | 0.12 | 91 | 0 |
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| 2010 | 26.1 | 60 | 36 | 66 | 16.3 | 50 | 0.11 | 94 | 0 |
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| 2009 | 27.2 | 50 | 38.3 | 47 | 16.2 | 51 | 0.34 | 54 | 0 |
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| 2008 | 28.4 | 34 | 40 | 32 | 16.9 | 40 | 0.15 | 86 | 0 |
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| 2007 | 30.2 | 20 | 39.5 | 37 | 20.9 | 12 | 0.37 | 48 | 0 |
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| 2006 | 21.7 | 89 | 32.8 | 94 | 10.6 | 85 | 0.14 | 87 | 0 |
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| 2005 | 28.1 | 39 | 41.4 | 20 | 14.8 | 67 | 0.17 | 83 | 0 |
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| 2004 | 24 | 73 | 33.7 | 88 | 14.9 | 66 | 0.37 | 48 | 2 |
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| 2003 | 25.2 | 66 | 35.2 | 76 | 15.2 | 65 | 0.31 | 57 | 0 |
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| 2002 | 18.2 | 101 | 30.3 | 104 | 6.1 | 105 | 0.07 | 104 | 0 |
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| 2001 | 18.7 | 98 | 30.6 | 102 | 6.8 | 102 | trace | 115 | 0 |
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| 2000 | 27 | 51 | 36.9 | 60 | 17.2 | 36 | 0.41 | 41 | 0 |
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| 1999 | 23.8 | 75 | 34.3 | 82 | 13.4 | 74 | 0.68 | 20 | 0 |
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| 1996 | | | | | 17.2 | 36 | 0.27 | 66 | 4 |
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| 1995 | | | | | 22.8 | 7 | 0.27 | 66 | 6 |
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| 1994 | 28.4 | 34 | 39.9 | 33 | 16.8 | 42 | 0.18 | 80 | 0 |
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| 1993 | | | | | 8.8 | 96 | 0.57 | 26 | 7 |
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| 1992 | 34 | 8 | 44.6 | 11 | 23.5 | 6 | 0.55 | 27 | 0 |
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| 1991 | 35.3 | 3 | 46.9 | 7 | 23.6 | 5 | 0.23 | 71 | 0 |
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| 1990 | 28.9 | 29 | 41.3 | 21 | 16.5 | 47 | 0.01 | 114 | 0 |
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| 1989 | 18.6 | 99 | 30.5 | 103 | 7.4 | 100 | 0.31 | 57 | 2 |
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| 1988 | 29.7 | 22 | 41.7 | 19 | 17.7 | 30 | 0.13 | 90 | 0 |
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| 1987 | 28.7 | 31 | 39.6 | 35 | 17.7 | 30 | 0.31 | 57 | 0 |
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| 1986 | 29.2 | 27 | 38.2 | 48 | 20.2 | 15 | 1.27 | 4 | 0 |
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| 1985 | 16.4 | 105 | 28.9 | 106 | 3.8 | 109 | 0.06 | 108 | 0 |
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| 1984 | 19.8 | 96 | 30.8 | 101 | 8.9 | 95 | 0.29 | 63 | 2 |
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| 1983 | | | 37.8 | 52 | | | 0.49 | 33 | 3 |
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| 1982 | | | | | 10.7 | 84 | 0.31 | 57 | 5 |
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| 1981 | 30.7 | 16 | 42.7 | 14 | 18.6 | 23 | 0.65 | 22 | 0 |
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| 1980 | 28.1 | 39 | 37.5 | 53 | 18.4 | 24 | 0.28 | 65 | 1 |
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| 1979 | 26.7 | 57 | 37 | 58 | 16.4 | 49 | 0.58 | 24 | 0 |
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| 1978 | 25.6 | 62 | 35.5 | 71 | 15.8 | 57 | 0.58 | 24 | 0 |
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| 1977 | 30.8 | 15 | 45.5 | 10 | 16 | 55 | 0.02 | 112 | 0 |
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| 1976 | 23.7 | 76 | 35.9 | 68 | 11.4 | 79 | 0.73 | 16 | 0 |
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| 1975 | 22.6 | 81 | 34.2 | 83 | 10.9 | 83 | 0.36 | 51 | 0 |
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| 1974 | 28 | 41 | 39 | 40 | 17.2 | 36 | 0.12 | 91 | 1 |
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| 1973 | 27.5 | 47 | 38.9 | 42 | 16 | 55 | 0.03 | 110 | 1 |
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| 1972 | 26.8 | 55 | 37 | 58 | 16.7 | 44 | 0.11 | 94 | 0 |
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| 1971 | 29.4 | 25 | 39.3 | 38 | 19.6 | 20 | 0.26 | 68 | 0 |
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| 1970 | 34.6 | 6 | 47.1 | 6 | 22 | 10 | 0.02 | 112 | 0 |
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| 1969 | 24.8 | 69 | 35.3 | 74 | 14.4 | 70 | 0.33 | 55 | 0 |
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| 1968 | 30.4 | 19 | 40.9 | 26 | 19.9 | 18 | 0.29 | 63 | 0 |
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| 1967 | 30.6 | 18 | 41.1 | 24 | 20.1 | 16 | 0.53 | 30 | 0 |
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| 1966 | 27.6 | 43 | 38.7 | 44 | 16.1 | 53 | 0.47 | 34 | 1 |
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| 1965 | 27.6 | 43 | 37.1 | 57 | 18.1 | 27 | 0.11 | 94 | 0 |
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| 1964 | 21.8 | 88 | 32.9 | 93 | 10.6 | 85 | 0.03 | 110 | 0 |
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| 1963 | 37.7 | 1 | 49.3 | 1 | 26.1 | 1 | 0.86 | 10 | 0 |
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| 1962 | 26 | 61 | 35.3 | 74 | 16.8 | 42 | 0.33 | 55 | 0 |
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| 1961 | 34.5 | 7 | 44.2 | 12 | 24.4 | 3 | 0.22 | 73 | 1 |
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| 1960 | | | | | 8.6 | 97 | 0.73 | 16 | 3 |
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| 1959 | 27.6 | 43 | 37.4 | 54 | 17.8 | 29 | 0.16 | 85 | 1 |
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| 1958 | | | | | | | 0.31 | 57 | 4 |
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| 1957 | 29.3 | 26 | 41.2 | 23 | 17.7 | 30 | 0.40 | 42 | 2 |
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| 1956 | 16.8 | 104 | 27.4 | 109 | 6.1 | 105 | trace | 115 | 0 |
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| 1955 | | | 32.4 | 98 | | | 0.07 | 104 | 9 |
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| 1954 | 33.3 | 9 | 45.8 | 8 | 20.8 | 13 | 0.54 | 28 | 0 |
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| 1953 | 27.6 | 43 | 38.5 | 45 | 16.7 | 44 | 0.79 | 13 | 0 |
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| 1952 | 19.2 | 97 | 32.6 | 97 | 5.9 | 107 | 0.68 | 20 | 0 |
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| 1951 | 27.9 | 42 | 38.4 | 46 | 17.5 | 33 | 0.70 | 19 | 0 |
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| 1950 | 28.7 | 31 | 40.7 | 27 | 16.7 | 44 | 0.38 | 45 | 0 |
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| 1949 | 22.3 | 84 | 33.6 | 89 | 11 | 80 | 0.31 | 57 | 0 |
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| 1948 | 28.4 | 34 | 39.1 | 39 | 17.3 | 35 | 0.17 | 83 | 2 |
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| 1947 | 30.7 | 16 | 41.3 | 21 | 20.1 | 16 | 0.22 | 73 | 0 |
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| 1946 | 25.1 | 67 | 36.7 | 62 | 13.5 | 73 | 0.22 | 73 | 0 |
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| 1945 | 29.2 | 27 | 40.1 | 30 | 18.3 | 26 | 0.45 | 38 | 0 |
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| 1944 | 25.5 | 64 | 36.4 | 63 | 14.7 | 69 | 0.50 | 32 | 0 |
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| 1943 | 23.2 | 79 | 35.4 | 73 | 11 | 80 | 0.42 | 40 | 0 |
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| 1942 | 15.6 | 106 | 28.1 | 107 | 3.2 | 112 | 0.23 | 71 | 0 |
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| 1941 | 28.3 | 37 | 40.4 | 29 | 16.1 | 53 | 0.05 | 109 | 0 |
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| 1940 | 28.3 | 37 | 40.1 | 30 | 16.5 | 47 | 0.60 | 23 | 0 |
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| 1939 | 20.8 | 93 | 33.2 | 91 | 8.5 | 98 | 0.09 | 101 | 0 |
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| 1938 | 28.9 | 29 | 40.7 | 27 | 17 | 39 | 0.11 | 94 | 0 |
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| 1937 | 21.3 | 91 | 33.6 | 89 | 9 | 94 | 0.54 | 28 | 0 |
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| 1936 | 22.1 | 87 | 32.8 | 94 | 10.3 | 88 | 0.10 | 98 | 2 |
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| 1935 | 27.5 | 47 | 39.8 | 34 | 15.3 | 64 | 0.20 | 77 | 0 |
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| 1934 | 36.1 | 2 | 47.5 | 2 | 24.8 | 2 | 0.24 | 69 | 0 |
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| 1933 | 17 | 103 | 29.2 | 105 | 3.5 | 110 | 0.20 | 77 | 2 |
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| 1932 | | | | | | | | | 17 |
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| 1931 | 22.5 | 82 | 35 | 78 | 9.9 | 91 | 0.38 | 45 | 0 |
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| 1930 | 32.3 | 12 | 42.2 | 16 | 22.4 | 8 | 0.46 | 36 | 0 |
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| 1929 | 17.1 | 102 | 27.8 | 108 | 6.4 | 104 | 0.76 | 15 | 0 |
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| 1928 | 22.8 | 80 | 34.9 | 79 | 10.6 | 85 | 0.12 | 91 | 1 |
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| 1927 | 29.5 | 23 | 38.9 | 42 | 19.7 | 19 | 0.44 | 39 | 2 |
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| 1926 | 28.6 | 33 | 41.8 | 18 | 15.5 | 62 | 0.93 | 8 | 0 |
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| 1925 | 32.1 | 13 | 42.5 | 15 | 21.8 | 11 | 0.37 | 48 | 0 |
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| 1924 | 31.4 | 14 | 42.2 | 16 | 20.6 | 14 | 0.24 | 69 | 0 |
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| 1923 | 22.3 | 84 | 34.5 | 81 | 10 | 90 | 0.07 | 104 | 0 |
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| 1922 | 15 | 107 | 26.7 | 110 | 3.3 | 111 | 0.39 | 44 | 0 |
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| 1921 | 27.4 | 49 | 39 | 40 | 15.7 | 58 | 0.36 | 51 | 0 |
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| 1920 | 25.1 | 67 | 37.2 | 56 | 12.9 | 77 | 0.47 | 34 | 0 |
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| 1919 | 21.6 | 90 | 33.9 | 86 | 9.3 | 92 | 1.44 | 2 | 0 |
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| 1918 | 22.2 | 86 | 34.2 | 83 | 10.3 | 88 | 0.71 | 18 | 0 |
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| 1917 | 25.3 | 65 | 35.9 | 68 | 14.8 | 67 | 1.87 | 1 | 0 |
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| 1916 | 26.9 | 53 | 38.1 | 50 | 15.7 | 58 | 0.52 | 31 | 0 |
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| 1915 | 23.9 | 74 | 39.6 | 35 | 8.3 | 99 | 0.19 | 79 | 0 |
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| 1914 | 21.3 | 91 | 36 | 66 | 6.5 | 103 | 0.10 | 98 | 0 |
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| 1902 | 25.6 | 62 | 33.8 | 87 | 17.5 | 33 | 1.00 | 6 | 0 |
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| 1901 | | | 37.4 | 54 | | | 0.79 | 13 | 5 |
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| 1900 | 29.5 | 23 | 42.8 | 13 | 16.2 | 51 | 0.80 | 12 | 0 |
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| 1899 | 24.8 | 69 | 36.3 | 64 | 13.4 | 74 | 0.40 | 42 | 0 |
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| 1898 | 32.9 | 10 | 47.4 | 3 | 18.4 | 24 | 1.32 | 3 | 0 |
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| 1896 | 32.6 | 11 | 47.3 | 4 | 18 | 28 | 0.35 | 53 | 0 |
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| 1895 | 20.2 | 94 | 31.3 | 99 | 9.1 | 93 | 0.10 | 98 | 0 |
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