Every summer in Reading, PA from 1870 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 | 74.8 | 24 | 85 | 32 | 64.6 | 30 | 9.51 | 115 | 0 |
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| 2025 | 75.5 | 16 | 85.3 | 26 | 65.7 | 9 | 14.36 | 44 | 0 |
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| 2024 | 76.8 | 1 | 87.2 | 3 | 66.3 | 3 | 13.11 | 62 | 0 |
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| 2023 | 74.1 | 39 | 84.1 | 46 | 64.1 | 41 | 17.55 | 14 | 0 |
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| 2022 | 76.4 | 3 | 87.2 | 3 | 65.7 | 9 | 7.83 | 130 | 0 |
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| 2021 | 76.1 | 9 | 86.1 | 14 | 66.1 | 7 | 13.83 | 54 | 0 |
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| 2020 | 76.6 | 2 | 86.9 | 6 | 66.3 | 3 | 21.26 | 4 | 0 |
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| 2019 | 74.9 | 21 | 84.9 | 33 | 64.9 | 21 | 16.82 | 16 | 0 |
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| 2018 | 74.8 | 24 | 84.4 | 40 | 65.1 | 18 | 25.58 | 1 | 0 |
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| 2017 | 73.4 | 69 | 83.1 | 76 | 63.6 | 59 | 20.02 | 7 | 0 |
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| 2016 | 76 | 10 | 86.6 | 8 | 65.4 | 14 | 10.51 | 100 | 0 |
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| 2015 | 73.6 | 60 | 83.6 | 60 | 63.7 | 55 | 13.47 | 58 | 0 |
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| 2014 | 73 | 82 | 83.1 | 76 | 62.9 | 78 | 11.61 | 80 | 0 |
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| 2013 | 74.3 | 33 | 83.6 | 60 | 65.1 | 18 | 16.10 | 24 | 0 |
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| 2012 | 75.4 | 17 | 86.1 | 14 | 64.7 | 24 | 10.53 | 99 | 0 |
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| 2011 | 75.9 | 11 | 86.6 | 8 | 65.2 | 17 | 12.15 | 75 | 0 |
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| 2010 | 76.4 | 3 | 87.4 | 1 | 65.4 | 14 | 8.05 | 126 | 0 |
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| 2009 | 72 | 102 | 81.5 | 116 | 62.6 | 89 | 17.63 | 12 | 0 |
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| 2008 | 73.9 | 46 | 85.3 | 26 | 62.4 | 92 | 8.05 | 126 | 0 |
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| 2007 | 73.5 | 65 | 83.9 | 53 | 63.1 | 73 | 13.57 | 57 | 0 |
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| 2006 | 74.1 | 39 | 84.1 | 46 | 64.1 | 41 | 17.99 | 11 | 0 |
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| 2005 | 75.9 | 11 | 86.2 | 11 | 65.7 | 9 | 11.21 | 85 | 0 |
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| 2004 | 71.5 | 111 | 80.8 | 123 | 62.2 | 96 | 21.79 | 2 | 0 |
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| 2003 | 72.6 | 91 | 82.1 | 99 | 63.2 | 70 | 14.66 | 41 | 0 |
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| 2002 | 75 | 19 | 86.2 | 11 | 63.8 | 52 | 8.53 | 123 | 0 |
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| 2001 | 72.7 | 89 | 83.1 | 76 | 62.3 | 94 | 14.41 | 43 | 0 |
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| 2000 | 70.6 | 125 | 79.8 | 128 | 61.4 | 104 | 11.13 | 89 | 0 |
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| 1999 | 74.5 | 29 | 86 | 16 | 62.9 | 78 | 5.26 | 148 | 0 |
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| 1998 | 74.2 | 35 | 84.3 | 41 | 64.1 | 41 | 12.46 | 69 | 0 |
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| 1997 | 72.5 | 93 | 84.1 | 46 | 60.8 | 112 | 13.37 | 59 | 0 |
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| 1996 | 73.1 | 78 | 83.3 | 73 | 62.9 | 78 | 13.59 | 56 | 0 |
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| 1995 | 74.8 | 24 | 86 | 16 | 63.6 | 59 | 9.12 | 120 | 0 |
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| 1994 | 74 | 43 | 84.8 | 36 | 63.3 | 68 | 16.55 | 18 | 0 |
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| 1993 | 74.5 | 29 | 85.9 | 21 | 63.1 | 73 | 9.52 | 114 | 0 |
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| 1992 | 70.3 | 126 | 81.1 | 120 | 59.5 | 128 | 11.97 | 76 | 0 |
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| 1991 | 73.7 | 54 | 84.5 | 39 | 62.9 | 78 | 10.92 | 94 | 0 |
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| 1990 | 71.8 | 108 | 81.5 | 116 | 62 | 99 | 12.52 | 67 | 1 |
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| 1989 | 71.3 | 115 | 80.2 | 126 | 62.5 | 91 | 14.32 | 47 | 0 |
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| 1988 | 73.9 | 46 | 85.1 | 30 | 62.8 | 85 | 10.50 | 101 | 0 |
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| 1987 | 73.2 | 74 | 83.7 | 57 | 62.6 | 89 | 9.55 | 113 | 3 |
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| 1986 | 72.2 | 101 | 84 | 52 | 60.4 | 116 | 14.64 | 42 | 0 |
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| 1985 | 71.9 | 104 | 83.6 | 60 | 60.3 | 121 | 15.91 | 30 | 0 |
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| 1984 | 72.9 | 85 | 84.3 | 41 | 61.5 | 102 | 17.63 | 12 | 0 |
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| 1983 | 74.3 | 33 | 87.1 | 5 | 61.5 | 102 | 5.50 | 144 | 0 |
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| 1982 | 69.9 | 129 | 81.2 | 119 | 58.7 | 129 | 13.28 | 61 | 0 |
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| 1981 | 71.3 | 115 | 81.8 | 107 | 60.7 | 113 | 10.31 | 105 | 0 |
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| 1980 | 73.6 | 60 | 86 | 16 | 61.1 | 108 | 7.64 | 133 | 4 |
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| 1979 | 71.2 | 118 | 81.8 | 107 | 60.7 | 113 | 9.49 | 116 | 0 |
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| 1978 | 72 | 102 | 83.2 | 75 | 60.9 | 111 | 15.39 | 36 | 0 |
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| 1977 | 70.7 | 124 | 83 | 81 | 58.5 | 130 | 11.14 | 88 | 0 |
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| 1976 | 71.3 | 115 | 81.5 | 116 | 61.1 | 108 | 15.94 | 28 | 0 |
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| 1975 | 72.3 | 98 | 84.3 | 41 | 60.4 | 116 | 16.75 | 17 | 0 |
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| 1974 | 71.7 | 109 | 83 | 81 | 60.4 | 116 | 10.47 | 102 | 0 |
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| 1973 | 74 | 43 | 83.9 | 53 | 64.1 | 41 | 15.94 | 28 | 0 |
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| 1972 | 70.8 | 123 | 80.8 | 123 | 60.7 | 113 | 20.66 | 6 | 0 |
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| 1971 | 71.4 | 113 | 82.5 | 93 | 60.3 | 121 | 14.36 | 44 | 0 |
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| 1970 | 73.1 | 78 | 84.9 | 33 | 61.3 | 106 | 12.31 | 73 | 0 |
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| 1969 | 73.7 | 54 | 85.6 | 24 | 61.7 | 101 | 19.26 | 8 | 0 |
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| 1968 | 75 | 19 | 84.8 | 36 | 65.3 | 16 | 7.25 | 134 | 0 |
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| 1967 | 74 | 43 | 83.4 | 69 | 64.6 | 30 | 10.81 | 96 | 0 |
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| 1966 | 76.4 | 3 | 87.3 | 2 | 65.5 | 12 | 5.40 | 146 | 0 |
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| 1965 | 73.5 | 65 | 83.5 | 65 | 63.5 | 63 | 6.82 | 136 | 0 |
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| 1964 | 73.1 | 78 | 82.9 | 83 | 63.4 | 66 | 7.78 | 131 | 0 |
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| 1963 | 73.4 | 69 | 83.7 | 57 | 63 | 77 | 8.94 | 122 | 0 |
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| 1962 | 73.3 | 73 | 83.1 | 76 | 63.5 | 63 | 5.51 | 143 | 1 |
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| 1961 | 74.2 | 35 | 83.4 | 69 | 64.9 | 21 | 11.09 | 90 | 0 |
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| 1960 | 73.7 | 54 | 82.9 | 83 | 64.4 | 35 | 10.77 | 97 | 0 |
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| 1959 | 75.6 | 15 | 85.1 | 30 | 66.1 | 7 | 12.37 | 71 | 0 |
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| 1958 | 73 | 82 | 82.1 | 99 | 64 | 46 | 10.08 | 107 | 0 |
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| 1957 | 74.5 | 29 | 85.2 | 29 | 63.9 | 49 | 5.29 | 147 | 0 |
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| 1956 | 72.7 | 89 | 81.9 | 101 | 63.5 | 63 | 13.34 | 60 | 0 |
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| 1955 | 76.3 | 7 | 86 | 16 | 66.7 | 2 | 21.39 | 3 | 1 |
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| 1954 | 73.8 | 50 | 84.1 | 46 | 63.6 | 59 | 10.14 | 106 | 0 |
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| 1953 | 74.9 | 21 | 85.7 | 23 | 64 | 46 | 6.67 | 137 | 0 |
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| 1952 | 75.9 | 11 | 85.5 | 25 | 66.3 | 3 | 14.06 | 52 | 0 |
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| 1951 | 73.6 | 60 | 83.4 | 69 | 63.9 | 49 | 9.99 | 109 | 0 |
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| 1950 | 72.6 | 91 | 82.4 | 94 | 62.9 | 78 | 6.11 | 142 | 1 |
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| 1949 | 76.4 | 3 | 86 | 16 | 66.9 | 1 | 9.13 | 119 | 0 |
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| 1948 | 73.7 | 54 | 83.5 | 65 | 63.9 | 49 | 11.61 | 80 | 0 |
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| 1947 | 73.5 | 65 | 83.3 | 73 | 63.7 | 55 | 14.30 | 48 | 0 |
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| 1946 | 71.5 | 111 | 81.6 | 114 | 61.3 | 106 | 16.25 | 21 | 0 |
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| 1945 | 73 | 82 | 82.4 | 94 | 63.7 | 55 | 15.83 | 33 | 0 |
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| 1944 | 75.4 | 17 | 86.2 | 11 | 64.6 | 30 | 7.96 | 128 | 0 |
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| 1943 | 76.3 | 7 | 86.5 | 10 | 66.2 | 6 | 6.58 | 138 | 0 |
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| 1942 | 73.5 | 65 | 82.7 | 89 | 64.4 | 35 | 18.09 | 10 | 0 |
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| 1941 | 73.4 | 69 | 83.5 | 65 | 63.3 | 68 | 12.81 | 65 | 0 |
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| 1940 | 72.4 | 95 | 81.8 | 107 | 62.9 | 78 | 11.15 | 87 | 0 |
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| 1939 | 73.8 | 50 | 82.9 | 83 | 64.7 | 24 | 11.19 | 86 | 0 |
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| 1938 | 74.2 | 35 | 83.4 | 69 | 64.9 | 21 | 15.90 | 31 | 0 |
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| 1937 | 74.1 | 39 | 82.8 | 87 | 65.5 | 12 | 12.43 | 70 | 0 |
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| 1936 | 73.9 | 46 | 83.1 | 76 | 64.7 | 24 | 12.36 | 72 | 0 |
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| 1935 | 73.2 | 74 | 81.9 | 101 | 64.5 | 33 | 10.90 | 95 | 0 |
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| 1934 | 73.7 | 54 | 82.6 | 90 | 64.7 | 24 | 10.66 | 98 | 0 |
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| 1933 | 73.2 | 74 | 82.3 | 97 | 64 | 46 | 13.99 | 53 | 0 |
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| 1932 | 73.7 | 54 | 83.6 | 60 | 63.8 | 52 | 15.14 | 38 | 0 |
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| 1931 | 74.4 | 32 | 83.9 | 53 | 65 | 20 | 14.13 | 50 | 0 |
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| 1930 | 74.7 | 28 | 85.3 | 26 | 64.1 | 41 | 5.49 | 145 | 0 |
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| 1929 | 72.3 | 98 | 82.6 | 90 | 62 | 99 | 9.16 | 118 | 0 |
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| 1928 | 73.2 | 74 | 81.9 | 101 | 64.5 | 33 | 16.04 | 26 | 0 |
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| 1927 | 70 | 128 | 79 | 129 | 61.1 | 108 | 12.20 | 74 | 0 |
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| 1926 | 71.9 | 104 | 81 | 121 | 62.8 | 85 | 16.45 | 20 | 0 |
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| 1925 | 73.8 | 50 | 84.3 | 41 | 63.4 | 66 | 16.12 | 23 | 0 |
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| 1924 | 71.6 | 110 | 81 | 121 | 62.3 | 94 | 11.62 | 79 | 0 |
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| 1923 | 73.9 | 46 | 83.5 | 65 | 64.3 | 38 | 4.70 | 149 | 0 |
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| 1922 | 72.8 | 86 | 81.9 | 101 | 63.7 | 55 | 16.02 | 27 | 0 |
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| 1921 | 74.2 | 35 | 84.1 | 46 | 64.2 | 40 | 7.74 | 132 | 0 |
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| 1920 | 72.3 | 98 | 81.6 | 114 | 62.9 | 78 | 11.36 | 83 | 0 |
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| 1919 | 72.8 | 86 | 81.9 | 101 | 63.6 | 59 | 15.18 | 37 | 0 |
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| 1918 | 72.8 | 86 | 82.9 | 83 | 62.8 | 85 | 8.37 | 124 | 0 |
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| 1917 | 73.6 | 60 | 82.8 | 87 | 64.4 | 35 | 9.02 | 121 | 0 |
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| 1916 | 72.4 | 95 | 81.7 | 111 | 63.2 | 70 | 18.48 | 9 | 0 |
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| 1915 | 71 | 121 | 79.9 | 127 | 62.2 | 96 | 15.84 | 32 | 0 |
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| 1914 | 72.5 | 93 | 81.8 | 107 | 63.2 | 70 | 9.85 | 110 | 0 |
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| 1913 | 73.4 | 69 | 83.7 | 57 | 63.1 | 73 | 6.35 | 139 | 0 |
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| 1912 | 71.2 | 118 | 81.9 | 101 | 60.4 | 116 | 14.68 | 40 | 0 |
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| 1911 | 73.6 | 60 | 84.2 | 45 | 63.1 | 73 | 17.22 | 15 | 0 |
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| 1910 | 71.9 | 104 | 82.3 | 97 | 61.4 | 104 | 10.32 | 104 | 0 |
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| 1909 | 71.9 | 104 | 83.6 | 60 | 60.3 | 121 | 4.16 | 150 | 0 |
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| 1908 | 73.1 | 78 | 84.1 | 46 | 62.1 | 98 | 11.00 | 93 | 0 |
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| 1907 | 70.3 | 126 | 80.8 | 123 | 59.7 | 127 | 11.46 | 82 | 0 |
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| 1906 | 74.1 | 39 | 83.9 | 53 | 64.3 | 38 | 11.05 | 92 | 0 |
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| 1905 | 72.4 | 95 | 82.4 | 94 | 62.4 | 92 | 12.87 | 63 | 0 |
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| 1904 | 71.1 | 120 | 81.7 | 111 | 60.4 | 116 | 16.21 | 22 | 0 |
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| 1903 | 69.4 | 130 | 78.6 | 130 | 60.2 | 124 | 16.09 | 25 | 0 |
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| 1902 | 71.4 | 113 | 82.6 | 90 | 60.2 | 124 | 14.07 | 51 | 0 |
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| 1901 | 74.8 | 24 | 84.9 | 33 | 64.7 | 24 | 14.33 | 46 | 0 |
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| 1900 | 75.7 | 14 | 86.7 | 7 | 64.7 | 24 | 11.68 | 78 | 0 |
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| 1899 | 73.8 | 50 | 84.8 | 36 | 62.8 | 85 | 13.68 | 55 | 0 |
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| 1898 | 74.9 | 21 | 85.9 | 21 | 63.8 | 52 | 11.80 | 77 | 0 |
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| 1897 | | | | | | | 11.34 | 84 | 92 |
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| 1896 | | | | | | | 7.25 | 134 | 92 |
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| 1895 | | | | | | | 11.09 | 90 | 92 |
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| 1894 | | | | | | | 6.14 | 141 | 92 |
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| 1892 | | | | | | | 10.01 | 108 | 92 |
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| 1889 | 70.9 | 122 | 81.7 | 111 | 60.1 | 126 | 20.86 | 5 | 0 |
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| 1888 | | | | | | | 12.47 | 68 | 22 |
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| 1886 | | | | | | | 8.08 | 125 | 92 |
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| 1885 | | | | | | | 10.42 | 103 | 92 |
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| 1884 | | | | | | | 12.74 | 66 | 92 |
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| 1883 | | | | | | | 12.87 | 63 | 92 |
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| 1882 | | | | | | | 7.90 | 129 | 92 |
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| 1881 | | | | | | | 9.46 | 117 | 92 |
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| 1880 | | | | | | | 9.81 | 112 | 92 |
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| 1878 | | | | | | | 6.20 | 140 | 92 |
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| 1875 | | | | | | | 15.52 | 35 | 92 |
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| 1874 | | | | | | | 9.82 | 111 | 92 |
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| 1873 | | | | | | | 15.78 | 34 | 92 |
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| 1872 | | | | | | | 14.18 | 49 | 92 |
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| 1871 | | | | | | | 16.49 | 19 | 92 |
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| 1870 | | | | | | | 15.01 | 39 | 92 |
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