Every July 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 | 73.9 | 50 | 84.4 | 54 | 63.3 | 52 | 8.66 | 5 | 0 |
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| 2025 | 76.3 | 16 | 86.6 | 24 | 66 | 9 | 7.81 | 9 | 0 |
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| 2024 | 78.6 | 1 | 88.4 | 7 | 68.9 | 1 | 4.84 | 31 | 0 |
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| 2023 | 76.8 | 8 | 86.4 | 27 | 67.3 | 3 | 13.93 | 1 | 0 |
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| 2022 | 76.8 | 8 | 88.2 | 10 | 65.4 | 15 | 2.66 | 80 | 0 |
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| 2021 | 73 | 72 | 81.8 | 101 | 64.1 | 36 | 10.15 | 4 | 0 |
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| 2020 | 78 | 3 | 89.5 | 2 | 66.5 | 6 | 0.98 | 119 | 0 |
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| 2019 | 78.2 | 2 | 90.2 | 1 | 66.3 | 8 | 3.13 | 67 | 0 |
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| 2018 | 76.1 | 18 | 87.5 | 14 | 64.7 | 27 | 6.39 | 16 | 0 |
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| 2017 | 72.9 | 74 | 83.4 | 75 | 62.4 | 72 | 6.57 | 14 | 0 |
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| 2016 | 76.4 | 14 | 88.9 | 4 | 63.9 | 41 | 2.20 | 102 | 0 |
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| 2015 | 73.9 | 50 | 85.1 | 44 | 62.7 | 66 | 3.08 | 70 | 0 |
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| 2014 | 74.5 | 36 | 85.3 | 41 | 63.7 | 44 | 4.49 | 36 | 0 |
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| 2013 | 77.9 | 4 | 87.2 | 17 | 68.6 | 2 | 4.19 | 45 | 0 |
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| 2012 | 76.2 | 17 | 87.1 | 19 | 65.3 | 17 | 4.34 | 39 | 0 |
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| 2011 | 76 | 19 | 87.3 | 16 | 64.6 | 28 | 1.72 | 109 | 0 |
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| 2010 | 77.1 | 5 | 88.4 | 7 | 65.9 | 10 | 3.29 | 62 | 0 |
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| 2009 | 70.2 | 116 | 80.1 | 118 | 60.3 | 112 | 11.17 | 3 | 0 |
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| 2008 | 75.5 | 22 | 85.5 | 36 | 65.6 | 14 | 7.88 | 8 | 0 |
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| 2007 | 73.4 | 63 | 84.5 | 52 | 62.4 | 72 | 4.54 | 35 | 0 |
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| 2006 | 76.5 | 11 | 87.2 | 17 | 65.9 | 10 | 2.14 | 103 | 0 |
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| 2005 | 74.5 | 36 | 84.6 | 50 | 64.3 | 33 | 7.38 | 10 | 0 |
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| 2004 | 72 | 96 | 81.7 | 102 | 62.4 | 72 | 4.27 | 41 | 0 |
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| 2003 | 73.2 | 68 | 83.7 | 68 | 62.7 | 66 | 2.65 | 81 | 0 |
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| 2002 | 75.1 | 27 | 86.8 | 21 | 63.5 | 49 | 2.21 | 101 | 0 |
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| 2001 | 69.7 | 119 | 82.2 | 96 | 57.2 | 121 | 0.97 | 120 | 0 |
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| 2000 | 69.5 | 120 | 79.7 | 121 | 59.4 | 118 | 5.48 | 23 | 0 |
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| 1999 | 76.5 | 11 | 88.5 | 6 | 64.5 | 31 | 2.59 | 85 | 0 |
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| 1998 | 72.9 | 74 | 83.5 | 72 | 62.2 | 81 | 2.23 | 100 | 0 |
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| 1997 | 72.2 | 94 | 84.1 | 58 | 60.4 | 108 | 3.92 | 50 | 0 |
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| 1996 | 71.2 | 110 | 80.4 | 114 | 61.9 | 91 | 6.97 | 11 | 0 |
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| 1995 | 76.5 | 11 | 88.4 | 7 | 64.6 | 28 | 2.58 | 87 | 0 |
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| 1994 | 77.1 | 5 | 87.6 | 13 | 66.6 | 5 | 5.32 | 24 | 0 |
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| 1993 | 74.3 | 42 | 85.8 | 33 | 62.7 | 66 | 4.90 | 29 | 0 |
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| 1992 | 69.9 | 117 | 80.2 | 116 | 59.5 | 116 | 4.62 | 33 | 0 |
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| 1991 | 73.7 | 54 | 85.2 | 42 | 62.1 | 85 | 2.90 | 74 | 0 |
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| 1990 | 74.4 | 41 | 84.7 | 46 | 64.1 | 36 | 2.09 | 104 | 0 |
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| 1989 | 72.5 | 82 | 83.8 | 63 | 61.3 | 97 | 3.40 | 59 | 0 |
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| 1988 | 75.2 | 25 | 86.3 | 28 | 64.1 | 36 | 8.43 | 6 | 0 |
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| 1987 | 74.1 | 47 | 85 | 45 | 63.3 | 52 | 2.27 | 97 | 0 |
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| 1986 | 72.3 | 91 | 82.1 | 99 | 62.5 | 71 | 4.44 | 38 | 0 |
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| 1985 | 72.3 | 91 | 84.3 | 55 | 60.4 | 108 | 4.55 | 34 | 0 |
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| 1984 | 71.7 | 104 | 82.5 | 87 | 61 | 102 | 4.22 | 43 | 0 |
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| 1983 | 74.9 | 33 | 87.4 | 15 | 62.3 | 79 | 1.07 | 118 | 0 |
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| 1982 | 74.3 | 42 | 86.5 | 25 | 62.2 | 81 | 2.60 | 84 | 0 |
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| 1981 | 74.8 | 34 | 85.5 | 36 | 64.1 | 36 | 4.21 | 44 | 0 |
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| 1980 | 74.2 | 44 | 85.7 | 35 | 62.7 | 66 | 2.65 | 81 | 0 |
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| 1979 | 74.5 | 36 | 86.1 | 32 | 63 | 57 | 1.97 | 105 | 0 |
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| 1978 | 71.9 | 100 | 83.6 | 70 | 60.2 | 114 | 2.51 | 90 | 0 |
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| 1977 | 74.5 | 36 | 86.8 | 21 | 62.1 | 85 | 3.37 | 60 | 0 |
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| 1976 | 72.4 | 88 | 83.7 | 68 | 61 | 102 | 3.51 | 56 | 0 |
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| 1975 | 76 | 19 | 87.1 | 19 | 65 | 21 | 6.11 | 18 | 0 |
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| 1974 | 73.7 | 54 | 85.5 | 36 | 61.9 | 91 | 2.39 | 94 | 0 |
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| 1973 | 75 | 31 | 86.3 | 28 | 63.7 | 44 | 1.77 | 108 | 0 |
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| 1972 | 73.8 | 52 | 83.9 | 62 | 63.6 | 47 | 3.84 | 53 | 0 |
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| 1971 | 73.6 | 57 | 86.5 | 25 | 60.8 | 105 | 3.23 | 64 | 0 |
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| 1970 | 75.2 | 25 | 86.2 | 31 | 64.1 | 36 | 1.49 | 116 | 0 |
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| 1969 | 70.6 | 112 | 80.3 | 115 | 60.9 | 104 | 5.79 | 20 | 0 |
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| 1968 | 75.1 | 27 | 86.8 | 21 | 63.4 | 51 | 1.58 | 114 | 0 |
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| 1967 | 74 | 48 | 83.8 | 63 | 64.2 | 34 | 2.59 | 85 | 0 |
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| 1966 | 75.8 | 21 | 89.2 | 3 | 62.4 | 72 | 3.96 | 49 | 0 |
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| 1965 | 72.4 | 88 | 85.4 | 40 | 59.3 | 119 | 1.68 | 111 | 0 |
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| 1964 | 75 | 31 | 85.5 | 36 | 64.5 | 31 | 3.07 | 71 | 0 |
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| 1963 | 72.9 | 74 | 84.7 | 46 | 61.1 | 100 | 3.89 | 51 | 0 |
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| 1962 | 68.9 | 122 | 81.5 | 106 | 56.4 | 122 | 1.64 | 112 | 0 |
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| 1961 | 72.8 | 78 | 84.1 | 58 | 61.4 | 95 | 1.50 | 115 | 0 |
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| 1960 | 70.3 | 115 | 82.3 | 92 | 58.3 | 120 | 8.20 | 7 | 0 |
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| 1959 | 72.8 | 78 | 82.8 | 84 | 62.8 | 61 | 3.43 | 58 | 0 |
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| 1958 | 71.6 | 106 | 80.5 | 112 | 62.6 | 70 | 2.73 | 78 | 0 |
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| 1957 | 72 | 96 | 84.3 | 55 | 59.6 | 115 | 2.65 | 81 | 0 |
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| 1956 | 69.8 | 118 | 80.2 | 116 | 59.5 | 116 | 3.51 | 56 | 0 |
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| 1955 | 77 | 7 | 88.6 | 5 | 65.4 | 15 | 2.55 | 88 | 0 |
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| 1954 | 71.9 | 100 | 83.5 | 72 | 60.3 | 112 | 3.11 | 68 | 0 |
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| 1953 | 73.3 | 66 | 84.7 | 46 | 61.8 | 93 | 4.24 | 42 | 0 |
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| 1952 | 76.4 | 14 | 87.7 | 11 | 65.2 | 20 | 2.26 | 98 | 0 |
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| 1951 | 73.5 | 61 | 84.1 | 58 | 63 | 57 | 1.35 | 117 | 0 |
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| 1950 | 71.4 | 108 | 82.4 | 90 | 60.4 | 108 | 4.09 | 47 | 0 |
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| 1949 | 76.8 | 8 | 87.7 | 11 | 65.8 | 12 | 3.23 | 64 | 0 |
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| 1948 | 73.4 | 63 | 84.6 | 50 | 62.2 | 81 | 2.37 | 95 | 0 |
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| 1947 | 73.3 | 66 | 82.9 | 81 | 63.7 | 44 | 6.32 | 17 | 0 |
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| 1946 | 71.6 | 106 | 82.5 | 87 | 60.7 | 107 | 4.84 | 31 | 0 |
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| 1945 | 72.5 | 82 | 82.2 | 96 | 62.8 | 61 | 3.31 | 61 | 0 |
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| 1944 | 74.2 | 44 | 86.3 | 28 | 62 | 90 | 2.26 | 98 | 0 |
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| 1943 | 73.7 | 54 | 83.8 | 63 | 63.5 | 49 | 3.27 | 63 | 0 |
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| 1942 | 72.4 | 88 | 82 | 100 | 62.8 | 61 | 4.47 | 37 | 0 |
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| 1941 | 72.7 | 80 | 82.3 | 92 | 63.1 | 54 | 6.53 | 15 | 0 |
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| 1940 | 72.5 | 82 | 82.9 | 81 | 62.2 | 81 | 3.88 | 52 | 0 |
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| 1939 | 73.1 | 70 | 83.3 | 78 | 62.9 | 60 | 2.80 | 76 | 0 |
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| 1938 | 73.5 | 61 | 81.7 | 102 | 65.3 | 17 | 11.24 | 2 | 0 |
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| 1937 | 73.8 | 52 | 83.8 | 63 | 63.9 | 41 | 3.11 | 68 | 0 |
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| 1936 | 73 | 72 | 83.5 | 72 | 62.4 | 72 | 2.33 | 96 | 0 |
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| 1935 | 74.8 | 34 | 83.8 | 63 | 65.8 | 12 | 5.99 | 19 | 0 |
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| 1934 | 75.1 | 27 | 85.2 | 42 | 65 | 21 | 2.97 | 72 | 0 |
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| 1933 | 72.5 | 82 | 82.9 | 81 | 62.1 | 85 | 1.71 | 110 | 0 |
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| 1932 | 71.9 | 100 | 81.7 | 102 | 62.1 | 85 | 3.64 | 54 | 0 |
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| 1931 | 75.1 | 27 | 83.6 | 70 | 66.5 | 6 | 2.51 | 90 | 0 |
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| 1930 | 72.9 | 74 | 83 | 80 | 62.8 | 61 | 2.55 | 88 | 0 |
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| 1929 | 72.2 | 94 | 83.4 | 75 | 61.1 | 100 | 0.94 | 121 | 0 |
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| 1928 | 74 | 48 | 82.8 | 84 | 65.3 | 17 | 4.88 | 30 | 0 |
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| 1927 | 72.5 | 82 | 81.2 | 108 | 63.8 | 43 | 5.01 | 27 | 0 |
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| 1926 | 71.9 | 100 | 82.5 | 87 | 61.3 | 97 | 3.17 | 66 | 0 |
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| 1925 | 71.3 | 109 | 80.5 | 112 | 62.1 | 85 | 5.68 | 22 | 0 |
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| 1924 | 72.6 | 81 | 83.4 | 75 | 61.8 | 93 | 0.54 | 122 | 0 |
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| 1923 | 70.4 | 114 | 80.1 | 118 | 60.8 | 105 | 4.99 | 28 | 0 |
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| 1922 | 72 | 96 | 80.8 | 111 | 63.1 | 54 | 5.16 | 25 | 0 |
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| 1921 | 75.3 | 24 | 84 | 61 | 66.7 | 4 | 4.14 | 46 | 0 |
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| 1920 | 70.6 | 112 | 79.8 | 120 | 61.4 | 95 | 6.70 | 13 | 0 |
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| 1919 | 73.6 | 57 | 82.3 | 92 | 64.9 | 25 | 2.44 | 93 | 0 |
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| 1918 | 72 | 96 | 81.6 | 105 | 62.4 | 72 | 2.76 | 77 | 0 |
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| 1917 | 73.6 | 57 | 82.4 | 90 | 64.8 | 26 | 4.07 | 48 | 0 |
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| 1916 | 73.6 | 57 | 82.2 | 96 | 65 | 21 | 3.52 | 55 | 0 |
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| 1915 | 71.7 | 104 | 81 | 110 | 62.4 | 72 | 6.97 | 11 | 0 |
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| 1914 | 69.4 | 121 | 77.7 | 122 | 61.2 | 99 | 4.30 | 40 | 0 |
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| 1913 | 73.2 | 68 | 84.2 | 57 | 62.3 | 79 | 1.83 | 107 | 0 |
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| 1912 | 73.1 | 70 | 83.2 | 79 | 63 | 57 | 2.90 | 74 | 0 |
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| 1911 | 75.4 | 23 | 85.8 | 33 | 65 | 21 | 2.97 | 72 | 0 |
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| 1910 | 74.2 | 44 | 84.7 | 46 | 63.6 | 47 | 2.47 | 92 | 0 |
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| 1909 | 70.7 | 111 | 81.1 | 109 | 60.4 | 108 | 1.59 | 113 | 0 |
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| 1908 | 74.5 | 36 | 84.5 | 52 | 64.6 | 28 | 5.74 | 21 | 0 |
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| 1907 | 72.5 | 82 | 82.3 | 92 | 62.8 | 61 | 1.86 | 106 | 0 |
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| 1906 | 72.3 | 91 | 81.5 | 106 | 63.1 | 54 | 5.09 | 26 | 0 |
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| 1905 | 73.4 | 63 | 82.6 | 86 | 64.2 | 34 | 2.71 | 79 | 0 |
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