Every August in Reading, PA from 1869 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 | 74.6 | 44 | 83.9 | 61 | 65.3 | 31 | 4.44 | 56 | 0 |
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| 2025 | 72.2 | 91 | 82.6 | 87 | 61.8 | 96 | 1.73 | 130 | 0 |
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| 2024 | 74.8 | 40 | 84.7 | 44 | 65 | 38 | 5.19 | 40 | 0 |
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| 2023 | 74.3 | 52 | 83.7 | 64 | 64.8 | 46 | 3.72 | 69 | 0 |
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| 2022 | 78.7 | 1 | 89.7 | 1 | 67.6 | 7 | 1.07 | 143 | 0 |
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| 2021 | 77.8 | 2 | 87 | 9 | 68.5 | 2 | 6.90 | 21 | 0 |
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| 2020 | 77 | 7 | 86.2 | 20 | 67.8 | 5 | 11.41 | 3 | 0 |
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| 2019 | 75.1 | 33 | 85.1 | 36 | 65.2 | 34 | 1.93 | 124 | 0 |
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| 2018 | 76.7 | 9 | 85.4 | 33 | 68 | 3 | 14.81 | 2 | 0 |
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| 2017 | 71.6 | 101 | 81.3 | 105 | 62 | 92 | 6.30 | 28 | 0 |
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| 2016 | 77.4 | 4 | 87.5 | 7 | 67.3 | 9 | 4.72 | 49 | 0 |
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| 2015 | 74 | 56 | 85 | 39 | 63 | 77 | 3.45 | 75 | 0 |
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| 2014 | 71.9 | 95 | 82.2 | 90 | 61.6 | 102 | 2.87 | 100 | 0 |
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| 2013 | 72.3 | 89 | 81.3 | 105 | 63.3 | 70 | 4.47 | 55 | 0 |
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| 2012 | 75.5 | 28 | 86 | 24 | 65.1 | 37 | 4.05 | 62 | 0 |
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| 2011 | 74 | 56 | 83.5 | 65 | 64.5 | 54 | 6.89 | 22 | 0 |
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| 2010 | 75.8 | 23 | 86.2 | 20 | 65.4 | 29 | 1.35 | 138 | 0 |
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| 2009 | 74.7 | 43 | 83.8 | 62 | 65.5 | 27 | 7.42 | 17 | 0 |
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| 2008 | 71.3 | 106 | 82.8 | 79 | 59.8 | 121 | 2.24 | 116 | 0 |
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| 2007 | 74.8 | 40 | 84.9 | 40 | 64.7 | 49 | 5.16 | 41 | 0 |
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| 2006 | 74.4 | 50 | 84.7 | 44 | 64.1 | 58 | 3.97 | 65 | 0 |
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| 2005 | 76.7 | 9 | 86.5 | 15 | 66.9 | 14 | 1.69 | 131 | 0 |
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| 2004 | 72.4 | 88 | 81.6 | 96 | 63.3 | 70 | 4.78 | 48 | 0 |
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| 2003 | 75.4 | 31 | 84.2 | 53 | 66.5 | 18 | 3.52 | 73 | 0 |
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| 2002 | 76.8 | 8 | 88.2 | 4 | 65.4 | 29 | 3.69 | 70 | 0 |
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| 2001 | 75.8 | 23 | 86 | 24 | 65.6 | 25 | 3.76 | 67 | 0 |
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| 2000 | 70.8 | 114 | 79.7 | 124 | 61.8 | 96 | 4.25 | 60 | 0 |
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| 1999 | 73.5 | 70 | 84.6 | 46 | 62.4 | 86 | 2.89 | 98 | 0 |
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| 1998 | 76 | 18 | 86.6 | 13 | 65.3 | 31 | 3.20 | 87 | 0 |
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| 1997 | 72.6 | 86 | 83.5 | 65 | 61.6 | 102 | 4.89 | 45 | 0 |
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| 1996 | 73.2 | 75 | 83.5 | 65 | 62.9 | 79 | 2.02 | 121 | 0 |
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| 1995 | 75.8 | 23 | 88.4 | 3 | 63.3 | 70 | 0.22 | 152 | 0 |
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| 1994 | 70.9 | 111 | 81.5 | 100 | 60.2 | 114 | 6.75 | 25 | 0 |
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| 1993 | 75 | 37 | 86.3 | 18 | 63.7 | 63 | 3.02 | 91 | 0 |
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| 1992 | 69.7 | 127 | 80.3 | 122 | 59.2 | 128 | 3.05 | 90 | 0 |
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| 1991 | 74.5 | 46 | 85.5 | 28 | 63.4 | 67 | 3.82 | 66 | 0 |
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| 1990 | 71.4 | 104 | 80.6 | 118 | 62.3 | 87 | 6.37 | 27 | 0 |
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| 1989 | 70.7 | 115 | 79.8 | 123 | 61.7 | 101 | 1.49 | 136 | 0 |
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| 1988 | 75.1 | 33 | 85.5 | 28 | 64.8 | 46 | 2.99 | 95 | 0 |
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| 1987 | 71.3 | 106 | 81.7 | 92 | 60.7 | 110 | 2.99 | 95 | 1 |
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| 1986 | 70.7 | 115 | 81.6 | 96 | 59.8 | 121 | 7.99 | 8 | 0 |
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| 1985 | 73.2 | 75 | 84.5 | 47 | 61.9 | 93 | 7.64 | 12 | 0 |
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| 1984 | 74.5 | 46 | 85.9 | 27 | 63.2 | 74 | 4.63 | 53 | 0 |
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| 1983 | 76.3 | 16 | 89.3 | 2 | 63.4 | 67 | 1.91 | 125 | 0 |
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| 1982 | 69 | 129 | 80.6 | 118 | 57.5 | 130 | 2.63 | 105 | 0 |
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| 1981 | 70.5 | 121 | 81.7 | 92 | 59.3 | 127 | 1.15 | 142 | 0 |
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| 1980 | 76.5 | 13 | 88 | 5 | 64.9 | 43 | 1.27 | 139 | 0 |
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| 1979 | 72.7 | 84 | 82.8 | 79 | 62.7 | 80 | 2.11 | 118 | 0 |
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| 1978 | 74.9 | 38 | 85.1 | 36 | 64.7 | 49 | 8.17 | 7 | 0 |
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| 1977 | 72 | 94 | 84 | 57 | 60 | 118 | 3.75 | 68 | 0 |
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| 1976 | 70.6 | 118 | 81.2 | 108 | 60.1 | 116 | 5.30 | 35 | 0 |
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| 1975 | 73.9 | 59 | 86 | 24 | 61.9 | 93 | 2.68 | 104 | 0 |
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| 1974 | 73.7 | 67 | 84.8 | 41 | 62.5 | 85 | 5.02 | 44 | 0 |
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| 1973 | 75.1 | 33 | 85.4 | 33 | 64.9 | 43 | 4.38 | 57 | 0 |
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| 1972 | 71.6 | 101 | 82.7 | 85 | 60.5 | 112 | 1.88 | 126 | 0 |
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| 1971 | 70.7 | 115 | 81.7 | 92 | 59.8 | 121 | 7.89 | 10 | 0 |
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| 1970 | 74.3 | 52 | 86.7 | 12 | 61.8 | 96 | 3.00 | 92 | 0 |
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| 1969 | 73.8 | 63 | 86.3 | 18 | 61.4 | 107 | 2.10 | 120 | 0 |
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| 1968 | 76.6 | 12 | 86.4 | 17 | 66.9 | 14 | 2.30 | 114 | 0 |
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| 1967 | 72.8 | 82 | 81.1 | 110 | 64.6 | 53 | 4.71 | 51 | 0 |
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| 1966 | 76.3 | 16 | 86.2 | 20 | 66.3 | 20 | 2.14 | 117 | 0 |
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| 1965 | 73.8 | 63 | 83.4 | 70 | 64.1 | 58 | 3.29 | 85 | 0 |
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| 1964 | 71.4 | 104 | 81.5 | 100 | 61.2 | 108 | 2.00 | 122 | 0 |
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| 1963 | 71.8 | 97 | 81.5 | 100 | 62.1 | 90 | 1.74 | 129 | 0 |
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| 1962 | 73.5 | 70 | 83.1 | 73 | 63.9 | 61 | 3.53 | 72 | 0 |
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| 1961 | 74.5 | 46 | 82.9 | 76 | 66 | 22 | 2.54 | 108 | 0 |
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| 1960 | 75.4 | 31 | 84 | 57 | 66.8 | 16 | 3.48 | 74 | 0 |
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| 1959 | 76.7 | 9 | 85.5 | 28 | 67.9 | 4 | 5.94 | 31 | 0 |
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| 1958 | 74.1 | 55 | 83.4 | 70 | 64.9 | 43 | 1.94 | 123 | 0 |
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| 1957 | 72.9 | 80 | 83.8 | 62 | 61.9 | 93 | 0.88 | 147 | 0 |
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| 1956 | 73.6 | 69 | 82.7 | 85 | 64.5 | 54 | 3.30 | 84 | 0 |
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| 1955 | 77.8 | 2 | 86.8 | 11 | 68.8 | 1 | 14.85 | 1 | 0 |
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| 1954 | 72.2 | 91 | 81.1 | 110 | 63.4 | 67 | 7.57 | 14 | 0 |
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| 1953 | 74.4 | 50 | 85.5 | 28 | 63.3 | 70 | 1.64 | 133 | 0 |
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| 1952 | 74 | 56 | 82.8 | 79 | 65.2 | 34 | 2.46 | 113 | 0 |
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| 1951 | 73.9 | 59 | 84 | 57 | 63.7 | 63 | 0.56 | 148 | 0 |
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| 1950 | 73.3 | 73 | 83.1 | 73 | 63.6 | 66 | 2.26 | 115 | 0 |
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| 1949 | 75.9 | 20 | 85.3 | 35 | 66.6 | 17 | 1.06 | 144 | 0 |
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| 1948 | 73.9 | 59 | 83.5 | 65 | 64.2 | 57 | 5.15 | 42 | 0 |
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| 1947 | 76.4 | 14 | 85.5 | 28 | 67.3 | 9 | 3.61 | 71 | 0 |
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| 1946 | 70 | 126 | 79.6 | 125 | 60.4 | 113 | 4.01 | 63 | 0 |
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| 1945 | 72.7 | 84 | 82.9 | 76 | 62.6 | 84 | 3.31 | 83 | 0 |
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| 1944 | 76 | 18 | 87.1 | 8 | 65 | 38 | 2.53 | 110 | 0 |
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| 1943 | 75.9 | 20 | 86.9 | 10 | 65 | 38 | 1.67 | 132 | 0 |
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| 1942 | 72.3 | 89 | 81.5 | 100 | 63.2 | 74 | 7.75 | 11 | 0 |
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| 1941 | 73 | 79 | 84.2 | 53 | 61.8 | 96 | 3.32 | 82 | 0 |
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| 1940 | 70.4 | 122 | 78.5 | 127 | 62.2 | 88 | 5.40 | 34 | 0 |
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| 1939 | 75.7 | 26 | 84.4 | 50 | 67 | 13 | 3.38 | 78 | 0 |
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| 1938 | 77.1 | 5 | 86.5 | 15 | 67.7 | 6 | 2.58 | 106 | 0 |
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| 1937 | 75.5 | 28 | 83.5 | 65 | 67.5 | 8 | 5.23 | 38 | 0 |
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| 1936 | 74.9 | 38 | 84 | 57 | 65.9 | 23 | 4.87 | 46 | 0 |
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| 1935 | 72.9 | 80 | 81 | 115 | 64.7 | 49 | 1.44 | 137 | 0 |
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| 1934 | 70.1 | 125 | 78.4 | 129 | 61.8 | 96 | 2.11 | 118 | 0 |
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| 1933 | 72.8 | 82 | 80.9 | 117 | 64.7 | 49 | 7.53 | 15 | 0 |
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| 1932 | 75.5 | 28 | 86.2 | 20 | 64.8 | 46 | 6.81 | 24 | 0 |
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| 1931 | 74.2 | 54 | 82.8 | 79 | 65.5 | 27 | 4.72 | 49 | 0 |
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| 1930 | 73.8 | 63 | 84.5 | 47 | 63.1 | 76 | 1.21 | 141 | 0 |
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| 1929 | 71.2 | 108 | 81.6 | 96 | 60.8 | 109 | 3.41 | 77 | 0 |
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| 1928 | 75.7 | 26 | 84.1 | 56 | 67.3 | 9 | 4.82 | 47 | 0 |
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| 1927 | 68.4 | 131 | 76.9 | 131 | 59.9 | 120 | 3.99 | 64 | 0 |
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| 1926 | 73.8 | 63 | 81.7 | 92 | 65.9 | 23 | 7.05 | 20 | 0 |
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| 1925 | 72.2 | 91 | 82.9 | 76 | 61.5 | 104 | 1.86 | 127 | 0 |
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| 1924 | 73.5 | 70 | 83 | 75 | 64.1 | 58 | 4.71 | 51 | 0 |
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| 1923 | 72.5 | 87 | 82 | 91 | 63 | 77 | 1.27 | 139 | 0 |
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| 1922 | 71.9 | 95 | 81.1 | 110 | 62.7 | 80 | 5.21 | 39 | 0 |
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| 1921 | 71 | 109 | 80.5 | 120 | 61.5 | 104 | 4.13 | 61 | 0 |
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| 1920 | 73.2 | 75 | 81 | 115 | 65.3 | 31 | 4.34 | 58 | 0 |
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| 1919 | 70.9 | 111 | 79.6 | 125 | 62.1 | 90 | 7.51 | 16 | 0 |
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| 1918 | 76.4 | 14 | 86.6 | 13 | 66.3 | 20 | 3.00 | 92 | 0 |
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| 1917 | 74.8 | 40 | 84.4 | 50 | 65.2 | 34 | 3.00 | 92 | 0 |
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| 1916 | 74.6 | 44 | 84.8 | 41 | 64.5 | 54 | 1.56 | 135 | 0 |
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| 1915 | 70.6 | 118 | 78.5 | 127 | 62.7 | 80 | 8.44 | 5 | 0 |
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| 1914 | 73.9 | 59 | 82.8 | 79 | 65 | 38 | 3.13 | 88 | 0 |
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| 1913 | 73.3 | 73 | 82.8 | 79 | 63.7 | 63 | 2.79 | 102 | 0 |
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| 1912 | 70.3 | 123 | 80.5 | 120 | 60 | 118 | 4.33 | 59 | 0 |
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| 1911 | 73.2 | 75 | 82.5 | 88 | 63.8 | 62 | 7.96 | 9 | 0 |
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| 1910 | 71.5 | 103 | 81.6 | 96 | 61.5 | 104 | 3.06 | 89 | 0 |
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| 1909 | 71.8 | 97 | 84.2 | 53 | 59.5 | 124 | 0.35 | 150 | 0 |
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| 1908 | 71 | 109 | 81.3 | 105 | 60.7 | 110 | 2.52 | 111 | 0 |
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| 1907 | 70.6 | 118 | 81.1 | 110 | 60.1 | 116 | 3.22 | 86 | 0 |
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| 1906 | 75.9 | 20 | 84.4 | 50 | 67.3 | 9 | 2.88 | 99 | 0 |
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| 1905 | 71.8 | 97 | 81.5 | 100 | 62.2 | 88 | 7.61 | 13 | 0 |
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| 1904 | 70.3 | 123 | 81.1 | 110 | 59.4 | 125 | 7.11 | 18 | 0 |
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| 1903 | 68.6 | 130 | 77 | 130 | 60.2 | 114 | 6.00 | 30 | 0 |
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| 1902 | 70.9 | 111 | 82.4 | 89 | 59.4 | 125 | 5.26 | 37 | 0 |
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| 1901 | 74.5 | 46 | 83.4 | 70 | 65.6 | 25 | 5.92 | 32 | 0 |
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| 1900 | 77.1 | 5 | 87.6 | 6 | 66.5 | 18 | 3.37 | 79 | 0 |
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| 1899 | 73.7 | 67 | 84.8 | 41 | 62.7 | 80 | 5.28 | 36 | 0 |
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| 1898 | 75.1 | 33 | 85.1 | 36 | 65 | 38 | 8.36 | 6 | 0 |
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| 1897 | | | | | | | 2.54 | 108 | 31 |
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| 1896 | | | | | | | 0.48 | 149 | 31 |
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| 1895 | | | | | | | 3.44 | 76 | 31 |
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| 1894 | | | | | | | 2.84 | 101 | 31 |
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| 1892 | | | | | | | 4.57 | 54 | 31 |
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| 1889 | 69.2 | 128 | 81.2 | 108 | 57.3 | 131 | 3.35 | 80 | 0 |
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| 1888 | 71.7 | 100 | 84.5 | 47 | 59 | 129 | 6.65 | 26 | 0 |
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| 1887 | | | | | | | 1.61 | 134 | 31 |
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| 1886 | | | | | | | 0.28 | 151 | 31 |
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| 1885 | | | | | | | 7.09 | 19 | 31 |
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| 1884 | | | | | | | 2.77 | 103 | 31 |
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| 1883 | | | | | | | 2.99 | 95 | 31 |
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| 1882 | | | | | | | 3.33 | 81 | 31 |
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| 1881 | | | | | | | 1.02 | 145 | 31 |
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| 1880 | | | | | | | 2.52 | 111 | 31 |
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| 1878 | | | | | | | 1.84 | 128 | 31 |
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| 1875 | | | | | | | 8.45 | 4 | 31 |
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| 1874 | | | | | | | 2.56 | 107 | 31 |
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| 1873 | | | | | | | 6.85 | 23 | 31 |
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| 1872 | | | | | | | 6.30 | 28 | 31 |
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| 1871 | | | | | | | 5.12 | 43 | 31 |
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| 1870 | | | | | | | 5.58 | 33 | 31 |
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| 1869 | | | | | | | 1.02 | 145 | 31 |
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