Every December in Morgantown, WV from 1872 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 | 33.9 | 86 | 42.8 | 78 | 24.9 | 96 | 2.42 | 83 | 0 |
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| 2024 | 38 | 31 | 46.2 | 37 | 30.6 | 27 | 3.31 | 48 | 1 |
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| 2023 | 43 | 6 | 50.9 | 10 | 35.2 | 6 | 2.69 | 74 | 0 |
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| 2022 | 37 | 42 | 45.2 | 47 | 28.7 | 48 | 2.70 | 73 | 0 |
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| 2021 | 45.2 | 2 | 54.3 | 2 | 36 | 2 | 3.44 | 45 | 0 |
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| 2020 | 35.8 | 65 | 42.6 | 80 | 28.9 | 43 | 4.22 | 26 | 0 |
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| 2019 | 39.3 | 23 | 48 | 26 | 30.6 | 27 | 4.99 | 16 | 0 |
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| 2018 | 38.3 | 27 | 46 | 39 | 30.5 | 30 | 4.18 | 29 | 0 |
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| 2017 | 32.4 | 99 | 39.8 | 103 | 24.9 | 96 | 1.54 | 121 | 0 |
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| 2016 | 36.5 | 54 | 44.1 | 64 | 28.9 | 43 | 4.05 | 32 | 0 |
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| 2015 | 48 | 1 | 56.8 | 1 | 39.2 | 1 | 3.78 | 40 | 0 |
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| 2014 | 38.1 | 30 | 45.2 | 47 | 31.1 | 23 | 2.89 | 66 | 0 |
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| 2013 | 37.8 | 33 | 44.9 | 51 | 30.6 | 27 | 4.53 | 21 | 0 |
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| 2012 | 41 | 14 | 48.2 | 23 | 33.8 | 10 | 5.09 | 14 | 0 |
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| 2011 | 40.6 | 17 | 48.6 | 21 | 32.7 | 14 | 3.95 | 37 | 0 |
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| 2010 | 26.9 | 122 | 32.4 | 131 | 21.5 | 117 | 1.21 | 128 | 0 |
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| 2009 | 34.2 | 83 | 41.6 | 88 | 26.7 | 77 | 3.17 | 54 | 0 |
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| 2008 | 36.5 | 54 | 46.2 | 37 | 26.7 | 77 | 5.53 | 9 | 0 |
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| 2007 | 38.4 | 25 | 46 | 39 | 30.7 | 26 | 6.32 | 4 | 0 |
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| 2006 | 41.5 | 12 | 51.3 | 7 | 31.6 | 20 | 1.83 | 110 | 0 |
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| 2005 | 31.5 | 106 | 37.9 | 114 | 25.1 | 92 | 2.38 | 85 | 0 |
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| 2004 | 36 | 63 | 44.4 | 59 | 27.6 | 66 | 1.76 | 113 | 0 |
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| 2003 | 34.3 | 82 | 42 | 84 | 26.7 | 77 | 2.87 | 69 | 0 |
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| 2002 | 33 | 94 | 39.5 | 106 | 26.6 | 81 | 3.13 | 58 | 0 |
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| 2001 | 40.1 | 20 | 48.1 | 25 | 32.1 | 16 | 2.65 | 77 | 0 |
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| 2000 | 25.8 | 127 | 34.1 | 129 | 17.6 | 134 | 1.70 | 116 | 0 |
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| 1999 | 36.7 | 47 | 44.4 | 59 | 29.1 | 40 | 2.38 | 85 | 0 |
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| 1997 | 35.2 | 72 | 41.9 | 85 | 28.5 | 52 | 2.12 | 98 | 0 |
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| 1996 | | | 48.8 | 19 | 31.1 | 23 | 3.00 | 63 | 6 |
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| 1995 | 30.1 | 111 | 37.8 | 115 | 23.1 | 112 | 2.30 | 92 | 1 |
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| 1994 | 40.6 | 17 | 48.8 | 19 | 32.5 | 15 | 2.79 | 71 | 0 |
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| 1993 | 33.6 | 89 | 39.9 | 102 | 27.4 | 69 | 2.89 | 66 | 0 |
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| 1992 | 35.4 | 68 | 42.9 | 77 | 27.9 | 60 | 3.29 | 50 | 0 |
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| 1991 | 36.7 | 47 | 45.6 | 45 | 27.9 | 60 | 3.77 | 41 | 0 |
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| 1990 | 41.1 | 13 | 50.3 | 14 | 31.8 | 18 | 7.26 | 1 | 0 |
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| 1989 | 21.9 | 131 | 29.8 | 135 | 13.9 | 136 | 1.30 | 126 | 0 |
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| 1988 | 34.8 | 78 | 43.2 | 73 | 26.3 | 83 | 2.66 | 75 | 0 |
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| 1987 | 37.1 | 41 | 44.2 | 63 | 30.1 | 32 | 3.20 | 53 | 0 |
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| 1986 | 35 | 74 | 41.5 | 89 | 28.6 | 49 | 2.82 | 70 | 0 |
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| 1985 | 30.2 | 110 | 38.1 | 112 | 22.3 | 115 | 1.83 | 110 | 0 |
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| 1984 | 42.9 | 7 | 52.3 | 6 | 33.5 | 11 | 3.31 | 48 | 0 |
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| 1983 | 27.6 | 118 | 34.6 | 127 | 20.5 | 119 | 3.34 | 47 | 0 |
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| 1982 | 42.7 | 8 | 51.1 | 8 | 34.2 | 8 | 2.16 | 96 | 0 |
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| 1981 | 32.1 | 101 | 38.5 | 111 | 25.6 | 88 | 2.48 | 82 | 0 |
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| 1980 | 31.5 | 106 | 39.7 | 104 | 23.3 | 110 | 1.79 | 112 | 0 |
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| 1979 | 39.5 | 22 | 47.2 | 30 | 31.8 | 18 | 2.32 | 91 | 0 |
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| 1978 | 37.5 | 35 | 45.7 | 43 | 29.2 | 39 | 6.01 | 6 | 0 |
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| 1977 | 32.7 | 96 | 41 | 93 | 24.4 | 102 | 2.00 | 101 | 0 |
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| 1976 | 30 | 114 | 39.4 | 108 | 20.5 | 119 | 2.52 | 81 | 0 |
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| 1975 | 35.4 | 68 | 43.1 | 74 | 27.5 | 68 | 4.13 | 31 | 1 |
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| 1974 | 35 | 74 | 41.5 | 89 | 28.5 | 52 | 4.18 | 29 | 0 |
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| 1973 | 33.3 | 91 | 40.5 | 96 | 26.2 | 85 | 5.38 | 11 | 0 |
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| 1972 | 37.7 | 34 | 45.5 | 46 | 29.9 | 33 | 5.21 | 13 | 0 |
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| 1971 | 40.8 | 15 | 50.3 | 14 | 31.4 | 22 | 2.09 | 100 | 0 |
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| 1970 | 36.3 | 58 | 44.4 | 59 | 28.2 | 55 | 5.31 | 12 | 0 |
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| 1969 | 27 | 121 | 33.5 | 130 | 20.5 | 119 | 4.44 | 22 | 0 |
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| 1968 | 32.1 | 101 | 40.8 | 94 | 23.5 | 108 | 2.91 | 65 | 0 |
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| 1967 | 36.7 | 47 | 45.7 | 43 | 27.8 | 64 | 3.11 | 59 | 0 |
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| 1966 | 34.5 | 80 | 42.2 | 83 | 26.8 | 75 | 1.71 | 115 | 0 |
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| 1965 | 40.3 | 19 | 47.7 | 28 | 32.9 | 13 | 0.61 | 134 | 0 |
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| 1964 | 35.8 | 65 | 44.5 | 58 | 27 | 74 | 4.30 | 25 | 0 |
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| 1963 | 24.5 | 128 | 30.5 | 134 | 18.5 | 129 | 0.92 | 131 | 0 |
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| 1962 | 27.5 | 119 | 35.7 | 121 | 19.2 | 128 | 3.15 | 56 | 0 |
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| 1961 | 34.2 | 83 | 41.8 | 87 | 26.6 | 81 | 3.25 | 51 | 0 |
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| 1960 | 26.4 | 124 | 35.3 | 123 | 17.9 | 131 | 1.62 | 119 | 1 |
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| 1959 | 37.3 | 39 | 44.3 | 62 | 30.4 | 31 | 2.40 | 84 | 0 |
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| 1958 | 26.6 | 123 | 35.4 | 122 | 18.1 | 130 | 1.65 | 118 | 2 |
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| 1957 | 37.5 | 35 | 45.9 | 41 | 29 | 42 | 4.19 | 28 | 0 |
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| 1956 | 42.4 | 9 | 50.6 | 11 | 34.2 | 8 | 5.06 | 15 | 0 |
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| 1955 | 30.6 | 108 | 39.1 | 110 | 22.2 | 116 | 1.01 | 130 | 0 |
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| 1954 | 32.2 | 100 | 39.2 | 109 | 25.1 | 92 | 3.35 | 46 | 0 |
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| 1953 | 36.9 | 45 | 44.9 | 51 | 28.8 | 47 | 2.27 | 93 | 0 |
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| 1952 | 36.5 | 54 | 43 | 76 | 29.9 | 33 | 2.53 | 80 | 0 |
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| 1951 | 36.7 | 47 | 46.3 | 36 | 27.1 | 72 | 4.73 | 19 | 0 |
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| 1950 | 26.3 | 125 | 34.5 | 128 | 19.5 | 125 | 2.35 | 89 | 2 |
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| 1949 | 37.9 | 32 | 46.6 | 34 | 29.1 | 40 | 4.04 | 33 | 0 |
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| 1948 | 36.4 | 57 | 44.9 | 51 | 27.9 | 60 | 4.67 | 20 | 0 |
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| 1947 | 33 | 94 | 41.4 | 91 | 24.7 | 100 | 1.72 | 114 | 0 |
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| 1946 | 37.2 | 40 | 46.7 | 32 | 28.6 | 49 | 2.12 | 98 | 2 |
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| 1945 | 29 | 116 | 36.5 | 119 | 21.5 | 117 | 2.27 | 93 | 0 |
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| 1944 | 30.1 | 111 | 39.7 | 104 | 20.5 | 119 | 4.94 | 17 | 0 |
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| 1942 | | | | | 20.4 | 123 | 6.25 | 5 | 10 |
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| 1941 | | | | | | | | | 15 |
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| 1940 | 40.8 | 15 | 50.6 | 11 | 31 | 25 | 2.63 | 78 | 0 |
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| 1939 | 35 | 74 | 43.6 | 69 | 26.2 | 85 | 3.22 | 52 | 1 |
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| 1938 | 37 | 42 | 45.8 | 42 | 28.1 | 57 | 1.32 | 125 | 1 |
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| 1937 | 29.4 | 115 | 34.8 | 125 | 24 | 104 | | | 0 |
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| 1936 | 36.3 | 58 | 44.1 | 64 | 29.7 | 38 | 3.03 | 62 | 3 |
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| 1935 | 24 | 130 | 30.7 | 133 | 17.7 | 133 | 2.92 | 64 | 1 |
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| 1934 | 32 | 103 | 40.3 | 101 | 23.6 | 107 | 0.44 | 135 | 1 |
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| 1933 | 38.2 | 29 | 49.7 | 17 | 26.7 | 77 | 3.72 | 42 | 2 |
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| 1932 | 37 | 42 | 46.7 | 32 | 27.7 | 65 | 4.02 | 35 | 1 |
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| 1931 | 42.4 | 9 | 52.6 | 5 | 32.1 | 16 | 7.05 | 2 | 0 |
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| 1930 | 31.6 | 105 | 40.4 | 98 | 22.7 | 114 | 1.90 | 107 | 0 |
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| 1929 | 37.5 | 35 | 45.2 | 47 | 29.8 | 37 | 2.89 | 66 | 0 |
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| 1928 | 36.6 | 53 | 46.5 | 35 | 26.8 | 75 | 2.37 | 88 | 0 |
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| 1927 | 34.4 | 81 | 42.7 | 79 | 25.5 | 89 | 3.16 | 55 | 1 |
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| 1926 | 33.2 | 92 | 41.1 | 92 | 25.2 | 91 | 3.81 | 39 | 0 |
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| 1925 | 33.6 | 89 | 40.4 | 98 | 25.7 | 87 | 1.52 | 123 | 1 |
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| 1924 | 33.7 | 87 | 42.4 | 82 | 24.9 | 96 | 1.19 | 129 | 1 |
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| 1923 | 44.2 | 3 | 53 | 4 | 35.6 | 3 | 4.21 | 27 | 1 |
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| 1922 | 38.6 | 24 | 49.2 | 18 | 27.9 | 60 | 2.34 | 90 | 3 |
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| 1921 | 36.7 | 47 | 44.8 | 55 | 28.6 | 49 | 2.66 | 75 | 0 |
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| 1920 | 36.3 | 58 | 43.9 | 67 | 28.9 | 43 | 0.25 | 136 | 2 |
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| 1919 | | | | | | | 3.45 | 44 | 6 |
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| 1917 | 26.1 | 126 | 34.8 | 125 | 17.4 | 135 | 0.83 | 132 | 0 |
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| 1916 | 33.7 | 87 | 43.5 | 70 | 24 | 104 | 1.97 | 103 | 0 |
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| 1915 | 32.7 | 96 | 40.5 | 96 | 25 | 94 | 4.43 | 23 | 0 |
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| 1914 | 30.3 | 109 | 37 | 117 | 23.5 | 108 | 6.00 | 7 | 1 |
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| 1913 | 36.8 | 46 | 43.8 | 68 | 29.9 | 33 | 1.85 | 108 | 2 |
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| 1912 | 38.4 | 25 | 47.8 | 27 | 28.9 | 43 | 1.95 | 104 | 1 |
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| 1911 | 39.9 | 21 | 48.2 | 23 | 31.6 | 20 | 4.03 | 34 | 0 |
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| 1910 | 28.5 | 117 | 36.7 | 118 | 20.2 | 124 | 2.13 | 97 | 2 |
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| 1909 | | | 36.4 | 120 | 19.5 | 125 | 2.00 | 101 | 4 |
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| 1908 | 35.6 | 67 | 44 | 66 | 27.2 | 70 | 2.26 | 95 | 1 |
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| 1907 | 35.1 | 73 | 43.1 | 74 | 27.2 | 70 | 3.04 | 61 | 0 |
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| 1906 | 35.3 | 70 | 42.5 | 81 | 28.1 | 57 | 5.48 | 10 | 0 |
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| 1905 | 36 | 63 | 43.4 | 71 | 28.5 | 52 | 3.85 | 38 | 0 |
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| 1904 | 31.8 | 104 | 39.5 | 106 | 24.1 | 103 | 2.56 | 79 | 0 |
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| 1903 | 27.5 | 119 | 35.3 | 123 | 19.5 | 125 | 1.70 | 116 | 2 |
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| 1902 | 33.2 | 92 | 40.8 | 94 | 25.5 | 89 | | | 1 |
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| 1901 | 32.5 | 98 | 40.4 | 98 | 24.8 | 99 | | | 1 |
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| 1900 | 34.2 | 83 | 43.4 | 71 | 25 | 94 | 1.54 | 121 | 0 |
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| 1899 | | | | | | | 1.27 | 127 | 4 |
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| 1898 | 36.7 | 47 | 47 | 31 | 26.3 | 83 | 0.71 | 133 | 0 |
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| 1897 | 38.3 | 27 | 48.4 | 22 | 28 | 59 | 2.77 | 72 | 2 |
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| 1896 | 36.1 | 62 | 44.6 | 57 | 27.6 | 66 | 1.36 | 124 | 1 |
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| 1895 | 36.2 | 61 | 45 | 50 | 27.1 | 72 | 1.85 | 108 | 2 |
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| 1894 | 35.3 | 70 | 47.6 | 29 | 23.8 | 106 | | | 2 |
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| 1893 | 34.8 | 78 | 44.8 | 55 | 24.7 | 100 | | | 2 |
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| 1892 | | | 38.1 | 112 | 23.3 | 110 | 2.38 | 85 | 4 |
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| 1891 | | | | | | | 3.64 | 43 | 31 |
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| 1882 | 35 | 74 | 41.9 | 85 | 28.2 | 55 | 1.92 | 106 | 0 |
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| 1881 | 43.3 | 4 | 51 | 9 | 35.6 | 3 | 5.93 | 8 | 0 |
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| 1880 | | | | | | | 4.42 | 24 | 6 |
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| 1879 | | | 53.9 | 3 | 34.4 | 7 | 6.70 | 3 | 4 |
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| 1878 | 30.1 | 111 | 37.3 | 116 | 23.1 | 112 | 4.84 | 18 | 2 |
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| 1877 | 43.1 | 5 | 50.6 | 11 | 35.6 | 3 | 1.62 | 119 | 0 |
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| 1876 | 24.5 | 128 | 31.1 | 132 | 17.9 | 131 | 1.95 | 104 | 0 |
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| 1875 | 41.8 | 11 | 50 | 16 | 33.5 | 11 | 3.99 | 36 | 0 |
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| 1874 | 37.4 | 38 | 44.9 | 51 | 29.9 | 33 | | | 0 |
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| 1873 | | | | | | | 3.15 | 56 | 31 |
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| 1872 | | | | | | | 3.10 | 60 | 31 |
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