Every winter in Hartford, CT from 1905 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 | 25.6 | 99 | 34.2 | 97 | 17 | 101 | 8.37 | 100 | 0 |
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| 2025 | 30.9 | 32 | 39 | 30 | 22.7 | 34 | 8.85 | 91 | 0 |
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| 2024 | 35 | 3 | 42.7 | 5 | 27.3 | 2 | 18.28 | 1 | 0 |
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| 2023 | 34.8 | 5 | 43.4 | 4 | 26.2 | 5 | 12.14 | 33 | 0 |
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| 2022 | 31.3 | 25 | 40.7 | 16 | 22 | 45 | 9.26 | 79 | 0 |
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| 2021 | 30.5 | 36 | 38.1 | 44 | 22.8 | 31 | 11.08 | 52 | 0 |
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| 2020 | 33 | 12 | 41.3 | 15 | 24.6 | 14 | 12.91 | 22 | 0 |
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| 2019 | 29.9 | 44 | 38.4 | 37 | 21.3 | 52 | 14.01 | 8 | 0 |
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| 2018 | 29.2 | 58 | 37.8 | 48 | 20.5 | 64 | 11.40 | 47 | 0 |
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| 2017 | 33 | 12 | 41.5 | 13 | 24.4 | 15 | 8.71 | 92 | 0 |
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| 2016 | 35.2 | 1 | 44.4 | 1 | 26 | 7 | 11.08 | 52 | 0 |
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| 2015 | 25.3 | 101 | 34.1 | 99 | 16.6 | 107 | 10.73 | 57 | 0 |
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| 2014 | 26.4 | 89 | 35.2 | 82 | 17.7 | 97 | 11.29 | 50 | 0 |
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| 2013 | 31.1 | 31 | 38.8 | 32 | 23.4 | 24 | 10.06 | 63 | 0 |
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| 2012 | 34.9 | 4 | 44.1 | 3 | 25.8 | 9 | 9.43 | 76 | 0 |
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| 2011 | 26 | 96 | 35.1 | 83 | 17 | 101 | 15.09 | 5 | 0 |
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| 2010 | 29.5 | 52 | 36.6 | 68 | 22.5 | 40 | 12.11 | 34 | 0 |
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| 2009 | 27.8 | 80 | 36.8 | 65 | 18.9 | 86 | 10.85 | 56 | 0 |
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| 2008 | 29.7 | 47 | 37.5 | 52 | 21.9 | 47 | 15.47 | 4 | 0 |
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| 2007 | 31.4 | 24 | 39.6 | 25 | 23.1 | 29 | 6.18 | 116 | 0 |
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| 2006 | 30.4 | 39 | 38.7 | 34 | 22.1 | 43 | 12.16 | 32 | 0 |
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| 2005 | 27.9 | 77 | 36.5 | 71 | 19.3 | 79 | 11.53 | 44 | 0 |
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| 2004 | 27 | 84 | 34.9 | 86 | 19.1 | 82 | 8.19 | 102 | 0 |
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| 2003 | 24.9 | 105 | 32.7 | 110 | 17 | 101 | 9.34 | 78 | 0 |
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| 2002 | 35.2 | 1 | 44.2 | 2 | 26.1 | 6 | 4.90 | 118 | 0 |
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| 2001 | 26.3 | 91 | 34.9 | 86 | 17.7 | 97 | 7.55 | 108 | 0 |
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| 2000 | 29.9 | 44 | 38.4 | 37 | 21.3 | 52 | 7.54 | 109 | 0 |
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| 1999 | 31.5 | 22 | 40.2 | 18 | 22.7 | 34 | 9.59 | 74 | 0 |
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| 1998 | 33.3 | 11 | 40.7 | 16 | 25.9 | 8 | 8.67 | 94 | 0 |
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| 1997 | 32.5 | 15 | 39.9 | 21 | 25 | 13 | 10.22 | 61 | 0 |
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| 1996 | 26.6 | 88 | 34.7 | 88 | 18.4 | 88 | 12.17 | 31 | 0 |
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| 1995 | 31.2 | 27 | 39.8 | 23 | 22.7 | 34 | 12.46 | 27 | 0 |
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| 1994 | 24.3 | 113 | 33.6 | 104 | 15 | 115 | 13.37 | 17 | 0 |
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| 1993 | 28 | 73 | 36.3 | 72 | 19.8 | 71 | 9.86 | 65 | 0 |
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| 1992 | 30.5 | 36 | 39.1 | 29 | 21.9 | 47 | 7.92 | 105 | 0 |
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| 1991 | 32.5 | 15 | 41.5 | 13 | 23.4 | 24 | 9.09 | 84 | 0 |
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| 1990 | 28.5 | 65 | 37.2 | 58 | 19.7 | 73 | 8.89 | 89 | 0 |
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| 1989 | 29.6 | 50 | 38.4 | 37 | 20.7 | 60 | 4.08 | 121 | 0 |
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| 1988 | 28.2 | 69 | 37.3 | 54 | 19.1 | 82 | 8.92 | 87 | 0 |
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| 1987 | 28.3 | 68 | 37 | 62 | 19.6 | 76 | 12.80 | 24 | 0 |
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| 1986 | 27 | 84 | 35.1 | 83 | 19 | 85 | 9.64 | 72 | 0 |
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| 1985 | 29 | 60 | 38 | 45 | 20 | 70 | 4.91 | 117 | 0 |
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| 1984 | 27.9 | 77 | 36.6 | 68 | 19.3 | 79 | 12.49 | 26 | 0 |
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| 1983 | 30.7 | 35 | 39.2 | 27 | 22.3 | 41 | 9.83 | 66 | 0 |
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| 1982 | 26.2 | 93 | 34.1 | 99 | 18.3 | 89 | 11.59 | 42 | 0 |
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| 1981 | 25.6 | 99 | 35.6 | 79 | 15.5 | 111 | 8.47 | 97 | 0 |
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| 1980 | 28.6 | 63 | 37 | 62 | 20.1 | 68 | 4.27 | 119 | 0 |
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| 1979 | 24.8 | 107 | 32.5 | 115 | 17.1 | 100 | 16.18 | 3 | 0 |
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| 1978 | 24.6 | 110 | 32.6 | 112 | 16.7 | 105 | 16.71 | 2 | 0 |
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| 1977 | 23.5 | 116 | 32.6 | 112 | 14.5 | 116 | 8.19 | 102 | 0 |
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| 1976 | 27.4 | 82 | 36.6 | 68 | 18.2 | 90 | 12.99 | 21 | 0 |
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| 1975 | 30.5 | 36 | 38.4 | 37 | 22.6 | 38 | 12.04 | 35 | 0 |
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| 1974 | 29.4 | 56 | 38 | 45 | 20.9 | 59 | 14.36 | 7 | 0 |
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| 1973 | 29.2 | 58 | 37.1 | 61 | 21.2 | 56 | 13.41 | 16 | 0 |
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| 1972 | 28.9 | 61 | 37.6 | 50 | 20.3 | 67 | 10.69 | 58 | 0 |
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| 1971 | 24.9 | 105 | 33.1 | 108 | 16.7 | 105 | 11.55 | 43 | 0 |
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| 1970 | 23.8 | 114 | 32.2 | 118 | 15.4 | 113 | 13.90 | 12 | 0 |
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| 1969 | 25.3 | 101 | 32.8 | 109 | 17.9 | 93 | 9.73 | 70 | 0 |
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| 1968 | 26.3 | 91 | 34.7 | 88 | 17.8 | 96 | 9.83 | 66 | 0 |
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| 1967 | 29.9 | 44 | 38.2 | 42 | 21.5 | 51 | 7.61 | 106 | 0 |
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| 1966 | 29.7 | 47 | 37.2 | 58 | 22.1 | 43 | 9.47 | 75 | 0 |
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| 1965 | 26.2 | 93 | 34.5 | 93 | 17.9 | 93 | 11.67 | 38 | 0 |
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| 1964 | 24.8 | 107 | 33.7 | 103 | 15.8 | 110 | 11.39 | 48 | 0 |
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| 1963 | 22.6 | 119 | 32.1 | 119 | 13 | 119 | 8.86 | 90 | 0 |
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| 1962 | 25.9 | 97 | 34.3 | 95 | 17.5 | 99 | 11.06 | 54 | 0 |
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| 1961 | 22.1 | 120 | 33.2 | 105 | 11.1 | 121 | 8.52 | 96 | 0 |
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| 1960 | 30 | 42 | 38.2 | 42 | 21.8 | 49 | 12.81 | 23 | 0 |
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| 1959 | 23.5 | 116 | 33.2 | 105 | 13.7 | 118 | 7.60 | 107 | 0 |
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| 1958 | 28 | 73 | 35.9 | 77 | 20.1 | 68 | 13.96 | 9 | 0 |
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| 1957 | 28.5 | 65 | 37.8 | 48 | 19.3 | 79 | 8.29 | 101 | 0 |
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| 1956 | 27.9 | 77 | 34.7 | 88 | 21.1 | 58 | 7.50 | 110 | 0 |
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| 1955 | 29.5 | 52 | 37.6 | 50 | 21.3 | 52 | 8.98 | 85 | 0 |
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| 1954 | 32.4 | 17 | 42 | 8 | 22.8 | 31 | 8.68 | 93 | 0 |
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| 1953 | 33.5 | 10 | 41.9 | 9 | 25.1 | 11 | 13.88 | 13 | 0 |
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| 1952 | 31.5 | 22 | 40.1 | 20 | 22.9 | 30 | 13.15 | 19 | 0 |
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| 1951 | 31.7 | 20 | 40.2 | 18 | 23.2 | 28 | 13.30 | 18 | 0 |
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| 1950 | 31.2 | 27 | 39.6 | 25 | 22.8 | 31 | 11.68 | 37 | 0 |
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| 1949 | 33 | 12 | 41.8 | 10 | 24.3 | 16 | 13.81 | 15 | 0 |
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| 1948 | 23.7 | 115 | 33.2 | 105 | 14.1 | 117 | 9.68 | 71 | 0 |
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| 1947 | 30 | 42 | 39.2 | 27 | 20.7 | 60 | 8.63 | 95 | 0 |
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| 1946 | 25.3 | 101 | 34.2 | 97 | 16.4 | 109 | 12.38 | 29 | 0 |
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| 1945 | 24.8 | 107 | 34.1 | 99 | 15.5 | 111 | 11.37 | 49 | 0 |
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| 1944 | 28.2 | 69 | 37.5 | 52 | 18.9 | 86 | 4.27 | 119 | 0 |
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| 1943 | 26.1 | 95 | 34.1 | 99 | 18.1 | 92 | 12.46 | 27 | 0 |
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| 1942 | 28.2 | 69 | 36.9 | 64 | 19.6 | 76 | 9.39 | 77 | 0 |
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| 1941 | 28 | 73 | 36.2 | 75 | 19.8 | 71 | 6.81 | 114 | 0 |
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| 1940 | 26.4 | 89 | 34.7 | 88 | 18.2 | 90 | 10.57 | 59 | 0 |
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| 1939 | 30.4 | 39 | 37.3 | 54 | 23.5 | 23 | 12.20 | 30 | 0 |
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| 1938 | 29.7 | 47 | 36.7 | 67 | 22.6 | 38 | 10.15 | 62 | 0 |
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| 1937 | 34.6 | 7 | 42.1 | 6 | 27.2 | 3 | 14.63 | 6 | 0 |
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| 1936 | 25.7 | 98 | 32.3 | 117 | 19.1 | 82 | 11.15 | 51 | 0 |
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| 1935 | 27 | 84 | 34.5 | 93 | 19.6 | 76 | 11.70 | 36 | 0 |
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| 1934 | 24.6 | 110 | 32.7 | 110 | 16.5 | 108 | 11.44 | 46 | 0 |
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| 1933 | 34.4 | 8 | 42.1 | 6 | 26.6 | 4 | 7.50 | 110 | 0 |
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| 1932 | 34.8 | 5 | 41.8 | 10 | 27.8 | 1 | 9.76 | 68 | 0 |
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| 1931 | 29.5 | 52 | 36.8 | 65 | 22.3 | 41 | 7.46 | 112 | 0 |
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| 1930 | 30.9 | 32 | 37.9 | 47 | 23.8 | 18 | 8.41 | 99 | 0 |
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| 1929 | 31.2 | 27 | 38.7 | 34 | 23.7 | 20 | 9.19 | 81 | 0 |
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| 1928 | 31.2 | 27 | 38.5 | 36 | 23.8 | 18 | 11.61 | 41 | 0 |
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| 1927 | 28.6 | 63 | 35.5 | 80 | 21.7 | 50 | 9.17 | 82 | 0 |
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| 1926 | 29.5 | 52 | 36.3 | 72 | 22.7 | 34 | 11.00 | 55 | 0 |
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| 1925 | 29.6 | 50 | 37.3 | 54 | 22 | 45 | 9.15 | 83 | 0 |
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| 1924 | 31.3 | 25 | 38.8 | 32 | 23.7 | 20 | 11.52 | 45 | 0 |
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| 1923 | 25.2 | 104 | 32.6 | 112 | 17.9 | 93 | 13.91 | 11 | 0 |
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| 1922 | 28.4 | 67 | 36.3 | 72 | 20.5 | 64 | 6.56 | 115 | 0 |
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| 1921 | 31.6 | 21 | 39 | 30 | 24.2 | 17 | 12.63 | 25 | 0 |
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| 1920 | 23.3 | 118 | 31.2 | 120 | 15.4 | 113 | 10.53 | 60 | 0 |
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| 1919 | 32.4 | 17 | 39.8 | 23 | 25.1 | 11 | 9.90 | 64 | 0 |
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| 1918 | 21 | 121 | 29.1 | 121 | 13 | 119 | 8.93 | 86 | 0 |
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| 1917 | 27.7 | 81 | 34.7 | 88 | 20.7 | 60 | 8.09 | 104 | 0 |
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| 1916 | 28.7 | 62 | 36.1 | 76 | 21.2 | 56 | 11.66 | 39 | 0 |
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| 1915 | 30.2 | 41 | 37.2 | 58 | 23.3 | 27 | 13.85 | 14 | 0 |
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| 1914 | 28.1 | 72 | 35.8 | 78 | 20.4 | 66 | 9.76 | 68 | 0 |
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| 1913 | 33.6 | 9 | 41.6 | 12 | 25.7 | 10 | 9.61 | 73 | 0 |
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| 1912 | 27 | 84 | 34.3 | 95 | 19.7 | 73 | 8.90 | 88 | 0 |
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| 1911 | 27.3 | 83 | 35 | 85 | 19.7 | 73 | 7.34 | 113 | 0 |
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| 1910 | 28 | 73 | 35.4 | 81 | 20.7 | 60 | 13.94 | 10 | 0 |
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| 1909 | 30.9 | 32 | 38.4 | 37 | 23.4 | 24 | 11.63 | 40 | 0 |
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| 1908 | 29.3 | 57 | 37.3 | 54 | 21.3 | 52 | 13.15 | 19 | 0 |
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| 1907 | 24.6 | 110 | 32.4 | 116 | 16.8 | 104 | 9.25 | 80 | 0 |
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| 1906 | 31.8 | 19 | 39.9 | 21 | 23.6 | 22 | 8.46 | 98 | 0 |
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| 1905 | | | | | | | | | 31 |
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