Every 1 September to 10 October in Grand Rapids, MI from 1892 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 | 62.7 | 38 | 72.3 | 51 | 53.1 | 28 | 4.38 | 61 | 0 |
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| 2025 | 64.2 | 17 | 75.9 | 10 | 52.6 | 32 | 3.30 | 87 | 0 |
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| 2024 | 64.4 | 12 | 76.8 | 5 | 52 | 43 | 1.32 | 124 | 0 |
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| 2023 | 63.2 | 33 | 72.8 | 45 | 53.7 | 19 | 3.48 | 81 | 0 |
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| 2022 | 60.8 | 67 | 71 | 69 | 50.5 | 65 | 1.30 | 125 | 0 |
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| 2021 | 65.7 | 3 | 75.5 | 12 | 55.9 | 2 | 5.36 | 45 | 0 |
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| 2020 | 59.2 | 104 | 69.5 | 98 | 48.9 | 97 | 3.37 | 86 | 0 |
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| 2019 | 64.3 | 16 | 73 | 44 | 55.5 | 6 | 9.87 | 5 | 0 |
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| 2018 | 65.1 | 7 | 74.5 | 19 | 55.8 | 3 | 9.58 | 6 | 0 |
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| 2017 | 65.7 | 3 | 78.3 | 1 | 53 | 30 | 2.02 | 116 | 0 |
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| 2016 | 64.6 | 11 | 74.2 | 22 | 55 | 9 | 5.49 | 41 | 0 |
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| 2015 | 63.9 | 21 | 73.8 | 29 | 54 | 16 | 2.89 | 98 | 0 |
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| 2014 | 59.7 | 89 | 69.7 | 94 | 49.7 | 84 | 6.31 | 28 | 0 |
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| 2013 | 63.4 | 32 | 74.3 | 21 | 52.5 | 37 | 3.40 | 83 | 0 |
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| 2012 | 60.2 | 78 | 70.8 | 75 | 49.7 | 84 | 2.80 | 99 | 0 |
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| 2011 | 61.4 | 54 | 72.5 | 48 | 50.4 | 70 | 2.23 | 110 | 0 |
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| 2010 | 60.9 | 64 | 70.9 | 73 | 50.8 | 61 | 3.12 | 93 | 0 |
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| 2009 | 60.1 | 80 | 69.8 | 91 | 50.4 | 70 | 3.57 | 77 | 0 |
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| 2008 | 61.4 | 54 | 71.2 | 62 | 51.7 | 46 | 10.71 | 3 | 0 |
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| 2007 | 66.3 | 2 | 77.6 | 3 | 55.1 | 8 | 2.09 | 113 | 0 |
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| 2006 | 58.8 | 107 | 68.5 | 116 | 49.2 | 91 | 7.66 | 17 | 0 |
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| 2005 | 65 | 8 | 76.3 | 7 | 53.7 | 19 | 3.82 | 67 | 0 |
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| 2004 | 62.3 | 41 | 74.4 | 20 | 50.3 | 75 | 1.86 | 119 | 0 |
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| 2003 | 58.3 | 115 | 69.1 | 106 | 47.5 | 116 | 2.92 | 96 | 0 |
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| 2002 | 63.5 | 28 | 74.6 | 17 | 52.5 | 37 | 1.84 | 120 | 0 |
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| 2001 | 57.8 | 121 | 67.1 | 129 | 48.5 | 104 | 4.33 | 62 | 0 |
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| 2000 | 57.9 | 120 | 67.4 | 125 | 48.4 | 106 | 7.28 | 19 | 0 |
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| 1999 | 59.4 | 97 | 70.9 | 73 | 47.8 | 113 | 3.56 | 78 | 0 |
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| 1998 | 62.8 | 36 | 73.1 | 41 | 52.6 | 32 | 4.24 | 63 | 0 |
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| 1997 | 61.2 | 57 | 71.6 | 58 | 50.9 | 56 | 5.45 | 43 | 0 |
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| 1996 | 59.2 | 104 | 69.3 | 100 | 49.2 | 91 | 3.24 | 89 | 0 |
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| 1995 | 57.7 | 124 | 68.7 | 113 | 46.7 | 122 | 2.06 | 114 | 0 |
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| 1994 | 60.9 | 64 | 71.8 | 56 | 49.9 | 78 | 3.63 | 72 | 0 |
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| 1993 | 55.2 | 133 | 64.5 | 134 | 46 | 128 | 8.43 | 10 | 0 |
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| 1992 | 58.5 | 110 | 69.1 | 106 | 47.9 | 112 | 6.23 | 29 | 0 |
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| 1991 | 58.6 | 109 | 68.9 | 111 | 48.3 | 108 | 5.08 | 49 | 0 |
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| 1990 | 61 | 60 | 71.1 | 66 | 50.8 | 61 | 7.86 | 15 | 0 |
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| 1989 | 56.2 | 130 | 67.3 | 127 | 45.1 | 132 | 5.69 | 38 | 0 |
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| 1988 | 58.4 | 113 | 68.6 | 115 | 48.3 | 108 | 9.22 | 7 | 0 |
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| 1987 | 58.2 | 116 | 67.8 | 122 | 48.5 | 104 | 4.87 | 52 | 0 |
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| 1986 | 60 | 83 | 69.2 | 104 | 50.8 | 61 | 14.07 | 1 | 0 |
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| 1985 | 60.3 | 75 | 69.1 | 106 | 51.5 | 48 | 5.64 | 40 | 0 |
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| 1984 | 59.4 | 97 | 69.1 | 106 | 49.8 | 83 | 3.59 | 73 | 0 |
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| 1983 | 61 | 60 | 71.6 | 58 | 50.4 | 70 | 5.41 | 44 | 0 |
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| 1982 | 62.1 | 44 | 72.7 | 46 | 51.5 | 48 | 2.42 | 105 | 0 |
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| 1981 | 58.1 | 117 | 67.9 | 121 | 48.3 | 108 | 10.21 | 4 | 0 |
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| 1980 | 59.6 | 91 | 70.7 | 76 | 48.6 | 101 | 4.78 | 54 | 0 |
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| 1979 | 60.3 | 75 | 72.2 | 53 | 48.4 | 106 | 0.54 | 131 | 0 |
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| 1978 | 60.3 | 75 | 71.4 | 60 | 49.2 | 91 | 7.26 | 20 | 0 |
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| 1977 | 59.4 | 97 | 68 | 119 | 50.8 | 61 | 5.77 | 34 | 0 |
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| 1976 | 58.8 | 107 | 71.7 | 57 | 45.9 | 129 | 2.29 | 108 | 0 |
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| 1975 | 56.3 | 129 | 67.4 | 125 | 45.2 | 131 | 2.05 | 115 | 0 |
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| 1974 | 53.8 | 134 | 65.3 | 133 | 42.4 | 134 | 2.38 | 107 | 0 |
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| 1973 | 62.8 | 36 | 73.4 | 36 | 52.2 | 39 | 4.48 | 60 | 0 |
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| 1972 | 60 | 83 | 69.9 | 89 | 50.1 | 76 | 3.97 | 64 | 0 |
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| 1971 | 63.7 | 23 | 73.5 | 33 | 53.9 | 18 | 6.78 | 25 | 0 |
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| 1970 | 60.4 | 74 | 70.3 | 81 | 50.5 | 65 | 8.07 | 12 | 0 |
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| 1969 | 61.6 | 52 | 73.4 | 36 | 49.9 | 78 | 2.25 | 109 | 0 |
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| 1968 | 61.2 | 57 | 71.1 | 66 | 51.2 | 52 | 5.98 | 31 | 0 |
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| 1967 | 59.3 | 100 | 71.2 | 62 | 47.3 | 119 | 3.58 | 74 | 0 |
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| 1966 | 60 | 83 | 72.5 | 48 | 47.5 | 116 | 2.42 | 105 | 0 |
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| 1965 | 59.3 | 100 | 68.7 | 113 | 49.9 | 78 | 7.76 | 16 | 0 |
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| 1964 | 57.7 | 124 | 68.5 | 116 | 46.9 | 121 | 3.54 | 79 | 0 |
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| 1963 | 60.7 | 70 | 72.7 | 46 | 48.7 | 99 | 3.13 | 92 | 0 |
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| 1962 | 60.1 | 80 | 71.1 | 66 | 49.2 | 91 | 3.38 | 85 | 0 |
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| 1961 | 64.4 | 12 | 74.8 | 15 | 54 | 16 | 9.15 | 8 | 0 |
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| 1960 | 62.6 | 39 | 74.9 | 13 | 50.4 | 70 | 1.30 | 125 | 0 |
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| 1959 | 63.5 | 28 | 74 | 25 | 53.1 | 28 | 5.35 | 46 | 0 |
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| 1958 | 60 | 83 | 70.5 | 79 | 49.5 | 88 | 5.72 | 37 | 0 |
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| 1957 | 57.8 | 121 | 69.3 | 100 | 46.4 | 124 | 3.43 | 82 | 0 |
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| 1956 | 57.8 | 121 | 70.1 | 85 | 45.4 | 130 | 0.72 | 130 | 0 |
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| 1955 | 61.7 | 51 | 73.3 | 39 | 50.1 | 76 | 2.56 | 103 | 0 |
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| 1954 | 61.9 | 49 | 71.2 | 62 | 52.6 | 32 | 7.18 | 21 | 0 |
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| 1953 | 60.2 | 78 | 74 | 25 | 46.4 | 124 | 3.04 | 94 | 0 |
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| 1952 | 58.5 | 110 | 70 | 87 | 47.1 | 120 | 2.90 | 97 | 0 |
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| 1951 | 59 | 106 | 69.3 | 100 | 48.7 | 99 | 6.64 | 26 | 0 |
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| 1950 | 59.5 | 95 | 69.2 | 104 | 49.9 | 78 | 1.70 | 122 | 0 |
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| 1949 | 59.5 | 95 | 69.9 | 89 | 49.2 | 91 | 3.22 | 90 | 0 |
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| 1948 | 62 | 46 | 73.4 | 36 | 50.5 | 65 | 1.90 | 118 | 0 |
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| 1947 | 62.3 | 41 | 73.6 | 32 | 50.9 | 56 | 5.94 | 32 | 0 |
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| 1946 | 62 | 46 | 76.3 | 7 | 47.7 | 114 | 1.53 | 123 | 0 |
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| 1945 | 58 | 118 | 68 | 119 | 48 | 111 | 7.98 | 14 | 0 |
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| 1944 | 61 | 60 | 71 | 69 | 51 | 54 | 3.58 | 74 | 0 |
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| 1943 | 57.4 | 127 | 69.7 | 94 | 45.1 | 132 | 1.97 | 117 | 0 |
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| 1942 | 59.3 | 100 | 69.8 | 91 | 48.9 | 97 | 5.05 | 50 | 0 |
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| 1941 | 62.9 | 35 | 73.8 | 29 | 52.1 | 41 | 8.06 | 13 | 0 |
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| 1940 | 62.1 | 44 | 72.2 | 53 | 52 | 43 | 1.83 | 121 | 0 |
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| 1939 | 65.4 | 5 | 76.5 | 6 | 54.2 | 14 | 2.48 | 104 | 0 |
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| 1938 | 60.6 | 71 | 70.3 | 81 | 50.9 | 56 | 2.21 | 111 | 0 |
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| 1937 | 61.6 | 52 | 71 | 69 | 52.2 | 39 | 3.01 | 95 | 0 |
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| 1936 | 63.6 | 27 | 73.1 | 41 | 54.1 | 15 | 9.15 | 8 | 0 |
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| 1935 | 58 | 118 | 67.5 | 123 | 48.6 | 101 | 3.25 | 88 | 0 |
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| 1934 | 62.4 | 40 | 71.2 | 62 | 53.7 | 19 | 5.76 | 36 | 0 |
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| 1933 | 64.4 | 12 | 73.5 | 33 | 55.4 | 7 | 5.28 | 47 | 0 |
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| 1932 | 60.9 | 64 | 70.6 | 78 | 51.2 | 52 | 3.58 | 74 | 0 |
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| 1931 | 67.6 | 1 | 77.4 | 4 | 57.9 | 1 | 5.68 | 39 | 0 |
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| 1930 | 63.5 | 28 | 73.5 | 33 | 53.4 | 25 | 2.73 | 101 | 0 |
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| 1929 | 59.6 | 91 | 70.2 | 83 | 49 | 96 | 0.99 | 129 | 0 |
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| 1928 | 59.7 | 89 | 69.6 | 97 | 49.9 | 78 | 4.53 | 58 | 0 |
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| 1927 | 64.8 | 10 | 74 | 25 | 55.7 | 4 | 5.87 | 33 | 0 |
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| 1926 | 60.6 | 71 | 69.3 | 100 | 51.8 | 45 | 6.22 | 30 | 0 |
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| 1925 | 61.9 | 49 | 70.2 | 83 | 53.7 | 19 | 5.24 | 48 | 0 |
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| 1924 | 58.4 | 113 | 67.5 | 123 | 49.3 | 90 | 3.68 | 70 | 0 |
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| 1923 | 60.1 | 80 | 69.7 | 94 | 50.5 | 65 | 5.77 | 34 | 0 |
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| 1922 | 64.4 | 12 | 73.9 | 28 | 54.9 | 10 | 7.42 | 18 | 0 |
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| 1921 | 63.5 | 28 | 72.3 | 51 | 54.6 | 11 | 7.07 | 23 | 0 |
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| 1920 | 63.7 | 23 | 74.6 | 17 | 52.9 | 31 | 3.73 | 69 | 0 |
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| 1919 | 64.9 | 9 | 74.1 | 23 | 55.7 | 4 | 4.87 | 52 | 0 |
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| 1918 | 56 | 131 | 65.5 | 132 | 46.4 | 124 | 2.18 | 112 | 0 |
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| 1917 | 57 | 128 | 66.3 | 130 | 47.6 | 115 | 4.58 | 56 | 0 |
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| 1916 | 60.8 | 67 | 70.7 | 76 | 51 | 54 | 2.65 | 102 | 0 |
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| 1915 | 60.8 | 67 | 70.1 | 85 | 51.6 | 47 | 8.19 | 11 | 0 |
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| 1914 | 63.2 | 33 | 73.1 | 41 | 53.4 | 25 | 3.85 | 66 | 0 |
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| 1913 | 63.8 | 22 | 74.1 | 23 | 53.6 | 24 | 3.39 | 84 | 0 |
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| 1912 | 62.2 | 43 | 71 | 69 | 53.4 | 25 | 4.56 | 57 | 0 |
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| 1911 | 59.6 | 91 | 68.9 | 111 | 50.4 | 70 | 11.46 | 2 | 0 |
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| 1910 | 60.6 | 71 | 70.4 | 80 | 50.9 | 56 | 3.50 | 80 | 0 |
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| 1909 | 59.6 | 91 | 69.8 | 91 | 49.4 | 89 | 2.75 | 100 | 0 |
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| 1908 | 64.1 | 18 | 75.6 | 11 | 52.6 | 32 | 1.09 | 128 | 0 |
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| 1907 | 59.3 | 100 | 67.2 | 128 | 51.4 | 51 | 6.35 | 27 | 0 |
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| 1906 | 63.7 | 23 | 74.8 | 15 | 52.6 | 32 | 3.76 | 68 | 0 |
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| 1905 | 64 | 19 | 73.7 | 31 | 54.4 | 13 | 4.71 | 55 | 0 |
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| 1904 | 59.9 | 88 | 68.2 | 118 | 51.5 | 48 | 5.47 | 42 | 0 |
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| 1903 | 61 | 60 | 70 | 87 | 52.1 | 41 | 7.14 | 22 | 0 |
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| 1902 | 57.6 | 126 | 69 | 110 | 46.4 | 124 | 4.49 | 59 | 4 |
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| 1901 | 61.4 | 54 | 72.2 | 53 | 50.5 | 65 | 3.66 | 71 | 0 |
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| 1900 | 65.4 | 5 | 76.3 | 7 | 54.5 | 12 | 3.14 | 91 | 0 |
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| 1899 | 58.5 | 110 | 69.5 | 98 | 47.5 | 116 | 3.90 | 65 | 1 |
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| 1898 | 64 | 19 | 74.9 | 13 | 53.7 | 19 | 4.90 | 51 | 3 |
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| 1897 | 63.7 | 23 | 77.8 | 2 | 49.6 | 86 | 1.20 | 127 | 0 |
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| 1896 | 56 | 131 | 66.1 | 131 | 46.5 | 123 | 7.00 | 24 | 2 |
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| 1894 | 62 | 46 | 72.5 | 48 | 50.9 | 56 | | | 3 |
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| 1893 | 61.2 | 57 | 73.2 | 40 | 49.6 | 86 | | | 2 |
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| 1892 | 60 | 83 | 71.3 | 61 | 48.6 | 101 | | | 2 |
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