Every December in Burlington, IA from 1897 to 2025, 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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| 2025 | 27.5 | 76 | 36.5 | 65 | 18.5 | 87 | 1.54 | 64 | 0 |
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| 2024 | 32.3 | 33 | 39.2 | 46 | 25.5 | 23 | 1.62 | 62 | 0 |
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| 2023 | 38.2 | 2 | 44.6 | 6 | 31.7 | 3 | 2.23 | 29 | 0 |
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| 2022 | 27.7 | 73 | 35.9 | 71 | 19.4 | 77 | 0.78 | 104 | 0 |
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| 2021 | 37.8 | 5 | 47.7 | 1 | 27.9 | 9 | 0.65 | 112 | 0 |
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| 2020 | 31 | 48 | 39.4 | 43 | 22.5 | 51 | 1.82 | 51 | 0 |
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| 2019 | 34.5 | 14 | 43.6 | 9 | 25.5 | 23 | 1.12 | 88 | 0 |
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| 2018 | 33.1 | 22 | 40.8 | 32 | 25.4 | 26 | 2.38 | 26 | 0 |
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| 2017 | 27.7 | 73 | 36.3 | 69 | 19.2 | 79 | 0.33 | 124 | 0 |
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| 2016 | 27.4 | 77 | 33.8 | 95 | 20.9 | 68 | 0.98 | 94 | 0 |
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| 2015 | 39.2 | 1 | 45.5 | 4 | 32.9 | 1 | 4.51 | 3 | 0 |
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| 2014 | 32.6 | 26 | 38.2 | 53 | 27 | 13 | 0.66 | 111 | 0 |
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| 2013 | 23.4 | 109 | 32.5 | 102 | 14.4 | 110 | 1.08 | 89 | 0 |
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| 2012 | 34 | 17 | 41.7 | 21 | 26.2 | 18 | 2.53 | 20 | 0 |
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| 2011 | 34 | 17 | 41.8 | 20 | 26.3 | 17 | 3.32 | 10 | 0 |
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| 2010 | 24.1 | 105 | 31.1 | 111 | 17.2 | 95 | 0.98 | 94 | 0 |
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| 2009 | 27.6 | 75 | 34.6 | 86 | 20.5 | 72 | 1.96 | 43 | 0 |
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| 2008 | 26.1 | 91 | 36.1 | 70 | 16.2 | 102 | 3.99 | 8 | 0 |
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| 2007 | 28.4 | 70 | 35 | 81 | 21.8 | 60 | 2.72 | 17 | 0 |
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| 2006 | 34.5 | 14 | 43.1 | 12 | 26 | 21 | 1.97 | 42 | 0 |
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| 2005 | 26 | 92 | 33.2 | 97 | 18.9 | 84 | 1.01 | 92 | 0 |
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| 2004 | 30.9 | 49 | 39.5 | 42 | 22.3 | 52 | 1.07 | 90 | 0 |
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| 2003 | 31.9 | 38 | 39 | 48 | 24.8 | 29 | 4.32 | 5 | 0 |
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| 2002 | 32.4 | 29 | 41.5 | 24 | 23.3 | 43 | 0.79 | 103 | 0 |
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| 2001 | 34 | 17 | 41.9 | 19 | 26.1 | 19 | 0.98 | 94 | 0 |
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| 2000 | 13.6 | 128 | 21.8 | 127 | 5.4 | 128 | 1.75 | 54 | 0 |
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| 1999 | 30.7 | 50 | 39.2 | 46 | 22.3 | 52 | 2.52 | 21 | 0 |
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| 1998 | 35.2 | 11 | 44 | 7 | 26.4 | 16 | 1.65 | 58 | 0 |
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| 1997 | 29.3 | 64 | 34.2 | 90 | 24.4 | 33 | 1.52 | 66 | 0 |
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| 1996 | 26.4 | 83 | 34 | 91 | 18.7 | 86 | 0.40 | 120 | 0 |
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| 1995 | 27.2 | 80 | 35.3 | 76 | 19.1 | 80 | 0.35 | 122 | 0 |
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| 1994 | 35.2 | 11 | 42.5 | 16 | 27.8 | 11 | 1.98 | 39 | 0 |
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| 1993 | 30.2 | 56 | 37.3 | 59 | 23.2 | 44 | 0.72 | 107 | 0 |
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| 1992 | 28.1 | 71 | 35.2 | 77 | 21.1 | 66 | 3.87 | 9 | 0 |
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| 1991 | 32 | 37 | 40 | 38 | 24 | 37 | 1.98 | 39 | 0 |
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| 1990 | 26.2 | 86 | 34.5 | 87 | 17.9 | 90 | 2.46 | 25 | 0 |
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| 1989 | 16.5 | 124 | 25.1 | 125 | 7.8 | 124 | 0.75 | 105 | 0 |
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| 1988 | 30.6 | 51 | 40.3 | 36 | 20.8 | 69 | 1.65 | 58 | 0 |
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| 1987 | 32.4 | 29 | 38.3 | 51 | 26.5 | 15 | 4.18 | 7 | 0 |
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| 1986 | 31.2 | 42 | 37 | 63 | 25.1 | 27 | 2.04 | 36 | 1 |
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| 1985 | 16.2 | 125 | 26.4 | 124 | 5.8 | 127 | 1.38 | 70 | 3 |
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| 1984 | 32.6 | 26 | 42.2 | 18 | 23.1 | 46 | 1.94 | 44 | 0 |
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| 1983 | 13.9 | 127 | 20.8 | 128 | 7 | 126 | 1.69 | 56 | 0 |
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| 1982 | 34.4 | 16 | 42.4 | 17 | 27 | 13 | 6.24 | 1 | 2 |
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| 1981 | 26.2 | 86 | 34 | 91 | 18.3 | 88 | 0.62 | 115 | 1 |
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| 1980 | 28.8 | 69 | 36.4 | 66 | 21.2 | 65 | 2.93 | 13 | 0 |
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| 1979 | 32.4 | 29 | 41.3 | 25 | 23.5 | 41 | 0.90 | 100 | 0 |
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| 1978 | 25.8 | 94 | 33.6 | 96 | 17.9 | 90 | 1.85 | 50 | 0 |
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| 1977 | 23.3 | 110 | 30.8 | 112 | 15.8 | 104 | 1.30 | 75 | 0 |
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| 1976 | 21.9 | 116 | 33 | 99 | 10.9 | 121 | 0.08 | 127 | 0 |
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| 1975 | 30.1 | 59 | 37 | 63 | 23.2 | 44 | 2.67 | 18 | 0 |
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| 1974 | 29.3 | 64 | 35.7 | 73 | 23 | 47 | 1.16 | 85 | 0 |
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| 1973 | 24 | 106 | 31.5 | 109 | 16.5 | 101 | 2.82 | 15 | 0 |
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| 1972 | 22.7 | 114 | 30 | 116 | 15.3 | 107 | 1.35 | 73 | 0 |
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| 1971 | 32.7 | 24 | 39.6 | 39 | 25.9 | 22 | 4.94 | 2 | 0 |
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| 1970 | 29.9 | 62 | 37.6 | 55 | 22.2 | 55 | 1.98 | 39 | 0 |
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| 1969 | 25.1 | 98 | 32.1 | 106 | 18.1 | 89 | 1.15 | 86 | 0 |
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| 1968 | 25.7 | 95 | 34 | 91 | 17.4 | 94 | 1.91 | 47 | 0 |
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| 1967 | 30.1 | 59 | 37.5 | 58 | 22.7 | 50 | 1.21 | 78 | 0 |
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| 1966 | 29 | 68 | 36.4 | 66 | 21.5 | 64 | 2.18 | 31 | 0 |
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| 1965 | 36.8 | 7 | 45.6 | 3 | 28.1 | 8 | 3.06 | 11 | 0 |
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| 1964 | 26.4 | 83 | 34 | 91 | 18.9 | 84 | 1.24 | 76 | 0 |
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| 1963 | 16.2 | 125 | 24.8 | 126 | 7.7 | 125 | 0.83 | 101 | 0 |
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| 1962 | 24.9 | 99 | 34.7 | 84 | 15.1 | 108 | 0.50 | 118 | 0 |
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| 1961 | 24.4 | 102 | 32.9 | 100 | 15.8 | 104 | 1.49 | 67 | 0 |
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| 1960 | 26.2 | 86 | 35.5 | 75 | 16.8 | 99 | 0.70 | 109 | 0 |
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| 1959 | 34.6 | 13 | 41.3 | 25 | 27.9 | 9 | 1.70 | 55 | 0 |
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| 1958 | 23.2 | 111 | 32.6 | 101 | 13.7 | 112 | 0.38 | 121 | 0 |
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| 1957 | 33.4 | 21 | 42.7 | 13 | 24.1 | 36 | 4.24 | 6 | 0 |
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| 1956 | 30.2 | 56 | 38.3 | 51 | 22.1 | 56 | 1.23 | 77 | 0 |
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| 1955 | 25.3 | 97 | 34.5 | 87 | 16.1 | 103 | 0.23 | 125 | 0 |
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| 1954 | 30.3 | 54 | 37.6 | 55 | 22.9 | 49 | 1.01 | 92 | 0 |
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| 1953 | 31.1 | 46 | 40.6 | 34 | 21.6 | 62 | 1.65 | 58 | 0 |
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| 1952 | 31.2 | 42 | 38 | 54 | 24.5 | 31 | 1.88 | 49 | 0 |
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| 1951 | 24.2 | 103 | 34.4 | 89 | 14.1 | 111 | 1.13 | 87 | 0 |
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| 1950 | 20.2 | 120 | 28.7 | 120 | 11.7 | 119 | 0.34 | 123 | 0 |
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| 1949 | 31.4 | 40 | 41.1 | 29 | 21.7 | 61 | 2.18 | 31 | 0 |
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| 1948 | 29.3 | 64 | 37.6 | 55 | 21 | 67 | 1.53 | 65 | 0 |
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| 1947 | 30.6 | 51 | 38.9 | 49 | 22.3 | 52 | 2.48 | 22 | 0 |
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| 1946 | 32.3 | 33 | 41.7 | 21 | 23 | 47 | 2.47 | 24 | 0 |
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| 1945 | 20 | 121 | 27.2 | 122 | 12.8 | 117 | 2.03 | 37 | 0 |
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| 1944 | 21.1 | 118 | 29.2 | 118 | 13 | 116 | 1.21 | 78 | 0 |
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| 1943 | 26.4 | 83 | 35.2 | 77 | 17.6 | 92 | 0.45 | 119 | 0 |
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| 1942 | 23 | 112 | 30.3 | 115 | 15.6 | 106 | 3.00 | 12 | 0 |
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| 1941 | 35.4 | 9 | 42.6 | 14 | 28.2 | 7 | 1.93 | 45 | 0 |
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| 1940 | 32.4 | 29 | 39.3 | 45 | 25.5 | 23 | 1.91 | 47 | 0 |
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| 1939 | 35.3 | 10 | 43.4 | 10 | 27.3 | 12 | 0.75 | 105 | 0 |
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| 1938 | 30.4 | 53 | 37.1 | 61 | 23.7 | 40 | 1.18 | 84 | 0 |
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| 1937 | 26.2 | 86 | 31.9 | 108 | 20.6 | 71 | 1.20 | 82 | 0 |
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| 1936 | 33.6 | 20 | 41.2 | 28 | 26.1 | 19 | 2.11 | 35 | 0 |
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| 1935 | 23.7 | 108 | 30.5 | 113 | 17 | 98 | 1.37 | 72 | 0 |
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| 1934 | 26.2 | 86 | 32.5 | 102 | 20 | 73 | 1.20 | 82 | 0 |
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| 1933 | 32.7 | 24 | 41 | 30 | 24.5 | 31 | 1.63 | 61 | 0 |
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| 1932 | 27.3 | 79 | 35.2 | 77 | 19.4 | 77 | 2.14 | 33 | 0 |
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| 1931 | 38 | 4 | 43.9 | 8 | 32.1 | 2 | 2.65 | 19 | 0 |
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| 1930 | 30 | 61 | 35.9 | 71 | 24.2 | 35 | 0.92 | 97 | 0 |
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| 1929 | 29.2 | 67 | 36.4 | 66 | 22 | 57 | 1.21 | 78 | 0 |
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| 1928 | 32.1 | 36 | 39.4 | 43 | 24.7 | 30 | 1.69 | 56 | 0 |
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| 1927 | 26 | 92 | 34.7 | 84 | 17.2 | 95 | 2.36 | 28 | 0 |
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| 1926 | 27.4 | 77 | 35 | 81 | 19.9 | 76 | 1.21 | 78 | 0 |
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| 1925 | 24.7 | 100 | 32.3 | 104 | 17.2 | 95 | 1.78 | 52 | 0 |
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| 1924 | 22 | 115 | 30.4 | 114 | 13.7 | 112 | 2.78 | 16 | 0 |
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| 1923 | 38.2 | 2 | 45.8 | 2 | 30.6 | 4 | 1.43 | 68 | 0 |
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| 1922 | 30.2 | 56 | 39.6 | 39 | 20.8 | 69 | 0.64 | 114 | 0 |
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| 1921 | 33 | 23 | 41.6 | 23 | 24.3 | 34 | 2.38 | 26 | 0 |
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| 1920 | 32.2 | 35 | 40.5 | 35 | 23.9 | 38 | 1.02 | 91 | 0 |
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| 1919 | 21.4 | 117 | 29.2 | 118 | 13.5 | 114 | 0.20 | 126 | 0 |
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| 1918 | 37.3 | 6 | 45 | 5 | 29.6 | 5 | 1.92 | 46 | 0 |
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| 1917 | 18.5 | 123 | 27 | 123 | 10 | 123 | 0.91 | 98 | 0 |
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| 1916 | 23.9 | 107 | 35.1 | 80 | 12.6 | 118 | 1.99 | 38 | 0 |
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| 1915 | 27 | 81 | 34.8 | 83 | 19.1 | 80 | 0.82 | 102 | 0 |
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| 1914 | 20.3 | 119 | 29.4 | 117 | 11.2 | 120 | 1.57 | 63 | 0 |
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| 1913 | 35.8 | 8 | 43.3 | 11 | 28.4 | 6 | 2.89 | 14 | 0 |
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| 1912 | 31.1 | 46 | 40.9 | 31 | 21.6 | 62 | 0.71 | 108 | 1 |
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| 1911 | 31.9 | 38 | 39.6 | 39 | 23.9 | 38 | | | 1 |
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| 1910 | 25.4 | 96 | 35.6 | 74 | 15.1 | 108 | 1.39 | 69 | 0 |
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| 1909 | 19.1 | 122 | 27.9 | 121 | 10.3 | 122 | 4.39 | 4 | 0 |
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| 1908 | 31.2 | 42 | 42.6 | 14 | 20 | 73 | 0.65 | 112 | 3 |
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| 1907 | 32.6 | 26 | 40.2 | 37 | 25 | 28 | 1.38 | 70 | 0 |
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| 1906 | 29.5 | 63 | 37.1 | 61 | 22 | 57 | 2.19 | 30 | 0 |
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| 1905 | 31.3 | 41 | 40.7 | 33 | 21.9 | 59 | 1.35 | 73 | 0 |
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| 1904 | 28.1 | 71 | 37.2 | 60 | 19 | 83 | 2.48 | 22 | 0 |
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| 1903 | 22.8 | 113 | 32.3 | 104 | 13.3 | 115 | 0.70 | 109 | 0 |
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| 1902 | 26.5 | 82 | 33.2 | 97 | 19.1 | 80 | 2.13 | 34 | 1 |
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| 1901 | 24.5 | 101 | 31.5 | 109 | 17.5 | 93 | 0.91 | 98 | 0 |
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| 1900 | 31.2 | 42 | 38.9 | 49 | 23.5 | 41 | 0.54 | 117 | 0 |
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| 1899 | 30.3 | 54 | 41.3 | 25 | 20 | 73 | 1.76 | 53 | 1 |
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| 1898 | | | | | | | | | 5 |
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| 1897 | 24.2 | 103 | 32 | 107 | 16.8 | 99 | 0.61 | 116 | 3 |
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