Every 1 to 9 October in South Bend, IN from 1894 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 | 59.2 | 48 | 71.2 | 33 | 47.2 | 57 | 1.01 | 49 | 0 |
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| 2025 | 64.6 | 11 | 77.6 | 5 | 51.7 | 25 | 0.70 | 66 | 0 |
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| 2024 | 60.4 | 35 | 72.9 | 22 | 48 | 49 | trace | 117 | 0 |
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| 2023 | 62.1 | 21 | 72.7 | 25 | 51.6 | 27 | 2.05 | 14 | 0 |
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| 2022 | 54.6 | 87 | 68.2 | 67 | 40.9 | 112 | trace | 117 | 0 |
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| 2021 | 68.8 | 2 | 76.2 | 13 | 61.3 | 1 | 1.16 | 43 | 0 |
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| 2020 | 53.9 | 94 | 65.1 | 90 | 42.7 | 95 | 1.08 | 46 | 0 |
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| 2019 | 61.9 | 22 | 71 | 37 | 52.9 | 18 | 0.88 | 52 | 0 |
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| 2018 | 65.5 | 8 | 76.1 | 14 | 54.9 | 9 | 2.20 | 13 | 0 |
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| 2017 | 65.9 | 7 | 76.9 | 9 | 55 | 7 | 0.67 | 68 | 0 |
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| 2016 | 60.9 | 27 | 70.8 | 38 | 51.1 | 32 | 1.01 | 49 | 0 |
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| 2015 | 55.2 | 82 | 64.2 | 92 | 46.1 | 64 | 0.12 | 102 | 0 |
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| 2014 | 54.2 | 89 | 63.4 | 96 | 45 | 79 | 4.05 | 5 | 0 |
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| 2013 | 64.4 | 13 | 74 | 19 | 54.9 | 9 | 1.15 | 44 | 0 |
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| 2012 | 51.6 | 109 | 60.7 | 113 | 42.6 | 96 | 0.50 | 80 | 0 |
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| 2011 | 59.4 | 45 | 74.2 | 18 | 44.7 | 82 | 0.00 | 122 | 0 |
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| 2010 | 54.2 | 89 | 68.8 | 61 | 39.6 | 119 | 0.12 | 102 | 0 |
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| 2009 | 50.5 | 116 | 57.9 | 125 | 43.1 | 92 | 1.93 | 18 | 0 |
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| 2008 | 53.6 | 96 | 63.2 | 98 | 43.9 | 86 | 0.54 | 78 | 0 |
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| 2007 | 69.8 | 1 | 80.8 | 1 | 58.9 | 2 | 0.79 | 55 | 0 |
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| 2006 | 58 | 55 | 70.7 | 40 | 45.3 | 71 | 1.43 | 37 | 0 |
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| 2005 | 62.3 | 20 | 72.1 | 28 | 52.6 | 19 | 0.55 | 77 | 0 |
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| 2004 | 53.4 | 99 | 66.3 | 82 | 40.4 | 115 | 0.72 | 62 | 0 |
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| 2003 | 49.9 | 120 | 62.4 | 104 | 37.4 | 124 | 0.26 | 94 | 0 |
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| 2002 | 60.8 | 31 | 70.4 | 43 | 51.2 | 31 | 0.75 | 59 | 0 |
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| 2001 | 55.6 | 78 | 65.4 | 87 | 45.7 | 68 | 1.78 | 20 | 0 |
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| 2000 | 52.3 | 105 | 60.8 | 112 | 43.9 | 86 | 1.72 | 23 | 0 |
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| 1999 | 51.8 | 107 | 60 | 117 | 43.7 | 89 | 0.86 | 53 | 0 |
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| 1998 | 55.1 | 85 | 62.7 | 101 | 47.6 | 56 | 1.52 | 30 | 0 |
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| 1997 | 63.9 | 16 | 76.4 | 11 | 51.4 | 30 | 0.32 | 89 | 0 |
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| 1996 | 52.2 | 106 | 62.1 | 107 | 42.3 | 100 | 0.24 | 96 | 0 |
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| 1995 | 57.8 | 57 | 67.2 | 77 | 48.3 | 47 | 0.32 | 89 | 0 |
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| 1994 | 56.7 | 70 | 66.8 | 80 | 46.7 | 61 | 1.03 | 47 | 0 |
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| 1993 | 55.7 | 77 | 68.2 | 67 | 43.1 | 92 | 0.63 | 71 | 0 |
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| 1992 | 57.2 | 62 | 69 | 56 | 45.3 | 71 | 0.11 | 104 | 0 |
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| 1991 | 58.3 | 53 | 68.1 | 69 | 48.6 | 45 | 4.07 | 4 | 0 |
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| 1990 | 59.1 | 49 | 68.8 | 61 | 49.3 | 42 | 4.93 | 2 | 0 |
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| 1989 | 48.8 | 123 | 60.1 | 116 | 37.6 | 123 | 0.08 | 110 | 0 |
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| 1988 | 50.9 | 113 | 59.4 | 118 | 42.4 | 98 | 1.67 | 27 | 0 |
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| 1987 | 48.8 | 123 | 57.9 | 125 | 39.8 | 117 | 1.54 | 29 | 0 |
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| 1986 | 57.9 | 56 | 65.9 | 85 | 50 | 39 | 3.05 | 9 | 0 |
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| 1985 | 52.6 | 102 | 61.2 | 111 | 44 | 85 | 0.79 | 55 | 0 |
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| 1984 | 59.4 | 45 | 68.9 | 58 | 49.9 | 40 | 2.00 | 15 | 0 |
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| 1983 | 60.9 | 27 | 71.7 | 32 | 50.1 | 37 | 0.10 | 107 | 0 |
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| 1982 | 64.4 | 13 | 75.2 | 16 | 53.7 | 15 | 0.26 | 94 | 0 |
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| 1981 | 51.5 | 110 | 61.9 | 109 | 41.1 | 108 | 0.37 | 83 | 0 |
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| 1980 | 55.4 | 80 | 65.3 | 88 | 45.6 | 69 | 1.59 | 28 | 0 |
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| 1979 | 55.4 | 80 | 63 | 99 | 47.9 | 52 | 3.24 | 7 | 0 |
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| 1978 | 53.8 | 95 | 62.6 | 103 | 45.1 | 75 | 1.71 | 24 | 0 |
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| 1977 | 51.4 | 111 | 60.7 | 113 | 42.2 | 101 | 1.49 | 32 | 0 |
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| 1976 | 57.1 | 65 | 68.3 | 65 | 45.9 | 65 | 2.00 | 15 | 0 |
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| 1975 | 56.1 | 73 | 68.9 | 58 | 43.2 | 91 | 0.08 | 110 | 0 |
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| 1974 | 51.3 | 112 | 62.8 | 100 | 39.8 | 117 | 0.11 | 104 | 0 |
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| 1973 | 63.8 | 17 | 73.7 | 21 | 53.9 | 13 | 1.45 | 35 | 0 |
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| 1972 | 56.4 | 71 | 65.7 | 86 | 47.1 | 58 | 0.28 | 92 | 0 |
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| 1971 | 60.9 | 27 | 69.6 | 49 | 52.3 | 20 | 1.03 | 47 | 0 |
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| 1970 | 59.4 | 45 | 68.1 | 69 | 50.7 | 36 | 0.33 | 88 | 0 |
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| 1969 | 61.9 | 22 | 72.8 | 24 | 51.1 | 32 | 0.93 | 51 | 0 |
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| 1968 | 55.2 | 82 | 62.7 | 101 | 47.7 | 53 | 0.73 | 61 | 0 |
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| 1967 | 61.3 | 26 | 70.6 | 41 | 52 | 23 | 0.37 | 83 | 0 |
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| 1966 | 55.8 | 76 | 66.1 | 83 | 45.6 | 69 | 0.34 | 86 | 0 |
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| 1965 | 50.4 | 117 | 58.4 | 124 | 42.4 | 98 | 0.63 | 71 | 0 |
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| 1964 | 48.9 | 122 | 59.4 | 118 | 38.3 | 120 | 0.72 | 62 | 0 |
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| 1963 | 63.1 | 19 | 78.2 | 3 | 48 | 49 | 0.00 | 122 | 0 |
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| 1962 | 60.4 | 35 | 67.6 | 74 | 53.3 | 16 | 1.51 | 31 | 0 |
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| 1961 | 57.2 | 62 | 67.2 | 77 | 47.1 | 58 | trace | 117 | 0 |
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| 1960 | 54.8 | 86 | 67.9 | 72 | 41.8 | 103 | 0.11 | 104 | 0 |
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| 1959 | 61.7 | 24 | 71.1 | 34 | 52.3 | 20 | 2.71 | 11 | 0 |
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| 1958 | 57.3 | 59 | 69.6 | 49 | 45.1 | 75 | 0.72 | 62 | 0 |
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| 1957 | 54.1 | 92 | 67.6 | 74 | 40.6 | 114 | trace | 117 | 0 |
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| 1956 | 55.6 | 78 | 69.4 | 52 | 41.8 | 103 | 0.04 | 113 | 0 |
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| 1955 | 60.4 | 35 | 70.8 | 38 | 50.1 | 37 | 4.45 | 3 | 0 |
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| 1954 | 60.2 | 39 | 68.7 | 63 | 51.7 | 25 | 3.29 | 6 | 0 |
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| 1953 | 56.3 | 72 | 71.1 | 34 | 41.6 | 105 | 0.17 | 100 | 0 |
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| 1952 | 47.9 | 125 | 58.6 | 123 | 37.2 | 125 | 0.10 | 107 | 0 |
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| 1951 | 60.3 | 38 | 69 | 56 | 51.6 | 27 | 1.69 | 25 | 0 |
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| 1950 | 57.1 | 65 | 66.4 | 81 | 47.7 | 53 | 0.34 | 86 | 0 |
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| 1949 | 64.6 | 11 | 75.3 | 15 | 53.9 | 13 | 1.69 | 25 | 0 |
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| 1948 | 52.9 | 101 | 62.2 | 106 | 43.7 | 89 | 0.64 | 70 | 0 |
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| 1947 | 60.5 | 33 | 72.9 | 22 | 48.1 | 48 | trace | 117 | 0 |
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| 1946 | 60.6 | 32 | 77.3 | 8 | 43.9 | 86 | 0.00 | 122 | 0 |
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| 1945 | 50.7 | 115 | 60.2 | 115 | 41.1 | 108 | 0.63 | 71 | 0 |
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| 1944 | 58.2 | 54 | 65.3 | 88 | 51.1 | 32 | 3.11 | 8 | 0 |
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| 1943 | 56.1 | 73 | 70.2 | 44 | 41.9 | 102 | 0.00 | 122 | 0 |
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| 1942 | 59.5 | 44 | 72 | 29 | 47 | 60 | 0.78 | 57 | 0 |
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| 1941 | 61.6 | 25 | 69.8 | 47 | 53.3 | 16 | 5.57 | 1 | 0 |
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| 1940 | 58.8 | 50 | 72.3 | 26 | 45.3 | 71 | 1.43 | 37 | 0 |
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| 1937 | | | 69.6 | 49 | | | 1.30 | 40 | 1 |
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| 1936 | 58.7 | 51 | 68.7 | 63 | 48.7 | 43 | 1.18 | 42 | 0 |
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| 1935 | 46.1 | 126 | 56.4 | 127 | 35.7 | 127 | 0.20 | 97 | 0 |
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| 1934 | 59.6 | 43 | 70.6 | 41 | 48.6 | 45 | 0.00 | 122 | 0 |
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| 1933 | 53.6 | 96 | 66.1 | 83 | 41 | 110 | 2.91 | 10 | 0 |
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| 1932 | 57 | 68 | 67.7 | 73 | 46.3 | 62 | 1.47 | 34 | 0 |
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| 1931 | 66.3 | 6 | 77.4 | 7 | 55.2 | 6 | 0.38 | 81 | 0 |
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| 1930 | 57.3 | 59 | 68.9 | 58 | 45.8 | 66 | 0.70 | 66 | 0 |
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| 1929 | 49.6 | 121 | 62 | 108 | 37.1 | 126 | 0.65 | 69 | 0 |
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| 1928 | | | | | | | | | 8 |
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| 1927 | 60.9 | 27 | 71.1 | 34 | 50.8 | 35 | 0.62 | 75 | 0 |
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| 1926 | 60.5 | 33 | 69.2 | 53 | 51.8 | 24 | 1.48 | 33 | 0 |
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| 1925 | 53.5 | 98 | 61.9 | 109 | 45.1 | 75 | 1.74 | 22 | 0 |
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| 1924 | 58.4 | 52 | 68.1 | 69 | 48.7 | 43 | 1.45 | 35 | 0 |
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| 1923 | 51.8 | 107 | 63.3 | 97 | 40.2 | 116 | 0.00 | 122 | 0 |
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| 1922 | 67.3 | 3 | 76.9 | 9 | 57.8 | 3 | 1.42 | 39 | 0 |
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| 1921 | | | | | | | 1.81 | 19 | 8 |
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| 1920 | 56.9 | 69 | 69.2 | 53 | 44.6 | 84 | 0.00 | 122 | 0 |
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| 1919 | 67.1 | 4 | 76.4 | 11 | 57.8 | 3 | 1.98 | 17 | 0 |
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| 1918 | 56.1 | 73 | 67 | 79 | 45.2 | 74 | 0.08 | 110 | 0 |
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| 1917 | 50.4 | 117 | 59.3 | 121 | 41.4 | 106 | 0.28 | 92 | 0 |
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| 1916 | 63.6 | 18 | 77.6 | 5 | 49.7 | 41 | 0.20 | 97 | 0 |
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| 1915 | 50.9 | 113 | 59.3 | 121 | 42.6 | 96 | 1.19 | 41 | 0 |
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| 1914 | 66.7 | 5 | 78.1 | 4 | 55.3 | 5 | 0.09 | 109 | 0 |
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| 1913 | 64.8 | 10 | 75.2 | 16 | 54.4 | 12 | 0.29 | 91 | 0 |
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| 1912 | 59.8 | 42 | 71.9 | 31 | 47.7 | 53 | 0.72 | 62 | 0 |
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| 1911 | 54.5 | 88 | 64.1 | 94 | 44.9 | 80 | 1.10 | 45 | 0 |
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| 1910 | 60 | 41 | 72 | 29 | 48 | 49 | 2.56 | 12 | 0 |
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| 1909 | 57.5 | 58 | 72.2 | 27 | 42.8 | 94 | 0.01 | 116 | 0 |
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| 1908 | 54 | 93 | 70.2 | 44 | 37.8 | 122 | 0.04 | 113 | 0 |
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| 1907 | 57.1 | 65 | 69.1 | 55 | 45.1 | 75 | 0.58 | 76 | 0 |
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| 1906 | 57.3 | 59 | 69.9 | 46 | 44.8 | 81 | 0.35 | 85 | 0 |
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| 1905 | 65.3 | 9 | 79.1 | 2 | 51.6 | 27 | 0.13 | 101 | 0 |
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| 1904 | 52.6 | 102 | 64.1 | 94 | 41 | 110 | 0.74 | 60 | 0 |
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| 1903 | 60.2 | 39 | 68.3 | 65 | 52.1 | 22 | 1.75 | 21 | 0 |
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| 1902 | 55.2 | 82 | 64.2 | 92 | 46.2 | 63 | 0.38 | 81 | 0 |
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| 1901 | 57.2 | 62 | 69.7 | 48 | 44.7 | 82 | 0.18 | 99 | 0 |
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| 1900 | | | | | 54.6 | 11 | 0.86 | 53 | 1 |
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| 1899 | 54.2 | 89 | 67.4 | 76 | 40.9 | 112 | 0.00 | 122 | 0 |
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| 1898 | 64.4 | 13 | 73.8 | 20 | 55 | 7 | 0.77 | 58 | 0 |
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| 1897 | | | | | | | 0.04 | 113 | 2 |
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| 1896 | 50.3 | 119 | 62.4 | 104 | 38.1 | 121 | | | 0 |
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| 1895 | 53.1 | 100 | 64.7 | 91 | 41.4 | 106 | 0.54 | 78 | 0 |
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| 1894 | 52.6 | 102 | 59.4 | 118 | 45.8 | 66 | 0.63 | 71 | 0 |
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