Every April in Burlington, IA from 1898 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 | 57.2 | 8 | 68.1 | 9 | 46.3 | 8 | 6.43 | 11 | 0 |
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| 2025 | 54.2 | 31 | 64.8 | 34 | 43.5 | 27 | 2.80 | 81 | 0 |
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| 2024 | 53.8 | 37 | 63.8 | 46 | 43.8 | 25 | 7.01 | 5 | 0 |
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| 2023 | 52.5 | 53 | 65.6 | 31 | 39.5 | 95 | 1.21 | 122 | 0 |
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| 2022 | 48.3 | 109 | 57.9 | 111 | 38.7 | 102 | 3.19 | 76 | 0 |
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| 2021 | 52.6 | 51 | 62.4 | 70 | 42.9 | 35 | 4.90 | 26 | 0 |
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| 2020 | 49.6 | 102 | 60.7 | 89 | 38.5 | 104 | 2.52 | 89 | 0 |
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| 2019 | 52.2 | 62 | 62.3 | 71 | 42 | 52 | 4.41 | 33 | 0 |
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| 2018 | 44.4 | 128 | 55.5 | 125 | 33.3 | 128 | 0.59 | 128 | 0 |
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| 2017 | 55.9 | 14 | 65.7 | 29 | 46 | 10 | 5.99 | 15 | 0 |
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| 2016 | 52.8 | 45 | 62.9 | 61 | 42.8 | 38 | 3.26 | 70 | 0 |
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| 2015 | 55 | 22 | 67 | 14 | 43 | 33 | 1.60 | 114 | 0 |
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| 2014 | 51.9 | 67 | 63.1 | 58 | 40.6 | 79 | 4.04 | 43 | 0 |
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| 2013 | 50.2 | 93 | 60.4 | 95 | 40 | 89 | 5.78 | 18 | 0 |
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| 2012 | 55 | 22 | 66.6 | 16 | 43.4 | 28 | 2.21 | 97 | 0 |
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| 2011 | 51.7 | 71 | 61.1 | 84 | 42.2 | 47 | 3.78 | 52 | 0 |
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| 2010 | 59.5 | 1 | 70.7 | 3 | 48.3 | 1 | 6.46 | 10 | 0 |
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| 2009 | 51.5 | 76 | 61.8 | 77 | 41.3 | 65 | 6.27 | 13 | 0 |
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| 2008 | 51.1 | 81 | 60.6 | 92 | 41.7 | 60 | 4.83 | 29 | 0 |
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| 2007 | 52 | 65 | 62.8 | 64 | 41.2 | 67 | 2.87 | 79 | 0 |
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| 2006 | 58.4 | 4 | 70.3 | 4 | 46.5 | 5 | 4.34 | 34 | 0 |
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| 2005 | 55.8 | 15 | 66.6 | 16 | 45 | 16 | 3.63 | 57 | 0 |
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| 2004 | 54 | 34 | 65.8 | 27 | 42.1 | 50 | 2.33 | 94 | 0 |
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| 2003 | 52.8 | 45 | 63.5 | 52 | 42.2 | 47 | 3.24 | 72 | 0 |
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| 2002 | 51.9 | 67 | 62.3 | 71 | 41.5 | 63 | 4.04 | 43 | 0 |
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| 2001 | 57.3 | 7 | 69.2 | 6 | 45.3 | 14 | 3.65 | 56 | 0 |
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| 2000 | 51.7 | 71 | 63 | 60 | 40.4 | 83 | 2.65 | 86 | 0 |
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| 1999 | 56.5 | 11 | 65.9 | 26 | 47 | 3 | 7.55 | 1 | 0 |
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| 1998 | 54 | 34 | 62.8 | 64 | 45.2 | 15 | 6.57 | 9 | 0 |
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| 1997 | 46.7 | 119 | 57.3 | 115 | 36 | 121 | 2.15 | 100 | 3 |
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| 1996 | 48.9 | 106 | 60.6 | 92 | 37.1 | 116 | 2.97 | 77 | 0 |
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| 1995 | 49.2 | 105 | 59.4 | 103 | 39 | 98 | 4.53 | 32 | 0 |
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| 1994 | 53.3 | 42 | 64.5 | 41 | 42.1 | 50 | 4.19 | 37 | 0 |
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| 1993 | 49.8 | 99 | 59.3 | 104 | 40.3 | 84 | 3.52 | 59 | 0 |
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| 1992 | 50.7 | 87 | 60.7 | 89 | 40.8 | 75 | 5.15 | 23 | 0 |
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| 1991 | 55.7 | 16 | 65.8 | 27 | 45.6 | 12 | 3.22 | 73 | 0 |
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| 1990 | 50.7 | 87 | 60.6 | 92 | 40.9 | 70 | 1.82 | 110 | 0 |
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| 1989 | 51.4 | 78 | 61.8 | 77 | 40.9 | 70 | 4.04 | 43 | 0 |
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| 1988 | 52.3 | 58 | 64.6 | 38 | 40 | 89 | 1.06 | 125 | 0 |
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| 1987 | 54.7 | 24 | 66.6 | 16 | 43.7 | 26 | 2.26 | 95 | 1 |
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| 1986 | 56 | 13 | 68.2 | 8 | 44.2 | 23 | 1.97 | 106 | 2 |
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| 1985 | 56.9 | 9 | 68.1 | 9 | 45.8 | 11 | 0.90 | 126 | 0 |
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| 1984 | 50.3 | 92 | 58.6 | 109 | 41.5 | 63 | 4.70 | 30 | 2 |
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| 1983 | 45.6 | 126 | 54 | 128 | 37.2 | 115 | 5.02 | 25 | 0 |
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| 1982 | 46.4 | 122 | 56.7 | 120 | 36 | 121 | 3.91 | 49 | 0 |
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| 1981 | 56.9 | 9 | 67.4 | 11 | 46.4 | 7 | 5.82 | 17 | 0 |
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| 1980 | 50.1 | 94 | 60.2 | 99 | 40.1 | 88 | 1.60 | 114 | 0 |
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| 1979 | 47.6 | 115 | 57.1 | 118 | 38 | 110 | 3.93 | 48 | 0 |
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| 1978 | 51.7 | 71 | 61.4 | 82 | 42 | 52 | 4.10 | 42 | 0 |
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| 1977 | 57.6 | 6 | 68.7 | 7 | 46.5 | 5 | 2.18 | 98 | 0 |
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| 1976 | 53.4 | 41 | 64.8 | 34 | 41.9 | 56 | 4.30 | 35 | 0 |
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| 1975 | 47.3 | 116 | 56.6 | 121 | 37.9 | 111 | 4.13 | 39 | 0 |
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| 1974 | 53.8 | 37 | 64.6 | 38 | 42.9 | 35 | 2.72 | 84 | 0 |
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| 1973 | 50 | 96 | 58.8 | 108 | 41.3 | 65 | 6.68 | 7 | 0 |
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| 1972 | 49.3 | 103 | 59.8 | 101 | 38.8 | 101 | 4.01 | 46 | 0 |
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| 1971 | 52.6 | 51 | 65.6 | 31 | 39.5 | 95 | 0.67 | 127 | 0 |
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| 1970 | 51.6 | 74 | 62.2 | 74 | 40.9 | 70 | 5.36 | 19 | 0 |
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| 1969 | 52.5 | 53 | 63.2 | 55 | 41.9 | 56 | 2.12 | 101 | 0 |
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| 1968 | 53.1 | 44 | 64.7 | 37 | 41.6 | 62 | 3.36 | 67 | 0 |
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| 1967 | 52.5 | 53 | 62.1 | 76 | 42.9 | 35 | 5.88 | 16 | 0 |
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| 1966 | 47.8 | 112 | 57.3 | 115 | 38.3 | 106 | 3.35 | 68 | 0 |
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| 1965 | 50.8 | 86 | 60.9 | 88 | 40.7 | 77 | 7.45 | 2 | 0 |
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| 1964 | 52.3 | 58 | 62.9 | 61 | 41.7 | 60 | 7.00 | 6 | 0 |
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| 1963 | 54.6 | 27 | 66.4 | 20 | 42.8 | 38 | 2.22 | 96 | 0 |
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| 1962 | 50.7 | 87 | 62.3 | 71 | 39 | 98 | 1.09 | 124 | 0 |
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| 1961 | 45.7 | 125 | 55.9 | 124 | 35.4 | 126 | 1.27 | 120 | 0 |
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| 1960 | 53.7 | 40 | 64.3 | 42 | 43.1 | 32 | 4.11 | 40 | 0 |
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| 1959 | 50.4 | 91 | 61.2 | 83 | 39.7 | 94 | 3.51 | 60 | 0 |
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| 1958 | 51.1 | 81 | 62.2 | 74 | 40 | 89 | 2.12 | 101 | 0 |
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| 1957 | 51.2 | 80 | 60.3 | 97 | 42 | 52 | 5.12 | 24 | 0 |
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| 1956 | 48.2 | 110 | 60.7 | 89 | 35.6 | 124 | 1.60 | 114 | 0 |
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| 1955 | 57.8 | 5 | 69.3 | 5 | 46.3 | 8 | 3.84 | 50 | 0 |
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| 1954 | 54.7 | 24 | 66.3 | 24 | 43.2 | 30 | 7.33 | 4 | 0 |
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| 1953 | 46.7 | 119 | 57 | 119 | 36.4 | 120 | 2.41 | 93 | 0 |
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| 1952 | 52.3 | 58 | 63.8 | 46 | 40.8 | 75 | 3.76 | 54 | 0 |
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| 1951 | 47.8 | 112 | 57.3 | 115 | 38.3 | 106 | 2.50 | 90 | 0 |
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| 1950 | 44.5 | 127 | 55.3 | 126 | 33.8 | 127 | 6.24 | 14 | 0 |
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| 1949 | 50 | 96 | 62.6 | 68 | 37.4 | 114 | 1.23 | 121 | 0 |
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| 1948 | 55.6 | 18 | 66.5 | 19 | 44.7 | 19 | 1.95 | 107 | 0 |
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| 1947 | 49.8 | 99 | 60.4 | 95 | 39.2 | 97 | 6.40 | 12 | 0 |
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| 1946 | 54.5 | 28 | 66.4 | 20 | 42.6 | 43 | 1.58 | 117 | 0 |
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| 1945 | 51.1 | 81 | 61.7 | 79 | 40.5 | 82 | 4.11 | 40 | 0 |
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| 1944 | 46.9 | 118 | 56 | 123 | 37.7 | 112 | 6.68 | 7 | 0 |
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| 1943 | 49.7 | 101 | 61.1 | 84 | 38.4 | 105 | 4.55 | 31 | 0 |
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| 1942 | 56.1 | 12 | 67.4 | 11 | 44.7 | 19 | 2.09 | 104 | 0 |
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| 1941 | 55.4 | 19 | 65.7 | 29 | 45.5 | 13 | 3.51 | 60 | 1 |
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| 1940 | 51.1 | 81 | 61.6 | 80 | 40.6 | 79 | 3.48 | 62 | 0 |
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| 1939 | 50.1 | 94 | 60.3 | 97 | 40 | 89 | 5.31 | 21 | 0 |
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| 1938 | 53.9 | 36 | 63.4 | 53 | 44.3 | 21 | 3.37 | 66 | 0 |
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| 1937 | 51 | 85 | 59.3 | 104 | 42.6 | 43 | 3.54 | 58 | 0 |
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| 1936 | 49.3 | 103 | 59.9 | 100 | 38.7 | 102 | 1.73 | 111 | 0 |
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| 1935 | 49.9 | 98 | 59 | 107 | 40.9 | 70 | 2.46 | 91 | 0 |
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| 1934 | 54.2 | 31 | 66.4 | 20 | 42 | 52 | 2.70 | 85 | 0 |
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| 1933 | 51.8 | 69 | 62.5 | 69 | 41.1 | 68 | 1.50 | 118 | 0 |
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| 1932 | 52.8 | 45 | 63.6 | 50 | 41.9 | 56 | 1.17 | 123 | 0 |
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| 1931 | 52.7 | 50 | 62.7 | 67 | 42.6 | 43 | 3.44 | 64 | 0 |
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| 1930 | 55.7 | 16 | 67.4 | 11 | 44 | 24 | 2.43 | 92 | 0 |
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| 1929 | 54.2 | 31 | 63.6 | 50 | 44.9 | 18 | 7.38 | 3 | 0 |
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| 1928 | 48.7 | 107 | 59.2 | 106 | 38.2 | 108 | 2.78 | 83 | 0 |
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| 1927 | 52.4 | 57 | 61.5 | 81 | 43.3 | 29 | 5.31 | 21 | 0 |
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| 1926 | 46.7 | 119 | 57.4 | 114 | 35.9 | 123 | 1.92 | 108 | 0 |
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| 1925 | 59.5 | 1 | 71.5 | 1 | 47.4 | 2 | 4.19 | 37 | 0 |
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| 1924 | 54.7 | 24 | 66.4 | 20 | 43 | 33 | | | 0 |
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| 1923 | 51.8 | 69 | 63.8 | 46 | 39.9 | 93 | 1.31 | 119 | 0 |
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| 1922 | 53.2 | 43 | 63.2 | 55 | 43.2 | 30 | 2.81 | 80 | 0 |
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| 1921 | 55.3 | 20 | 65.5 | 33 | 45 | 16 | 5.35 | 20 | 0 |
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| 1920 | 46.2 | 123 | 55.3 | 126 | 37.1 | 116 | 4.89 | 27 | 0 |
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| 1919 | 52.8 | 45 | 62.8 | 64 | 42.8 | 38 | 2.55 | 88 | 0 |
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| 1918 | 46.1 | 124 | 56.6 | 121 | 35.5 | 125 | 3.41 | 65 | 0 |
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| 1917 | 47.8 | 112 | 57.9 | 111 | 37.7 | 112 | 2.89 | 78 | 0 |
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| 1916 | 50.6 | 90 | 61 | 86 | 40.2 | 87 | 1.69 | 112 | 0 |
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| 1915 | 58.9 | 3 | 71.1 | 2 | 46.6 | 4 | 1.66 | 113 | 0 |
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| 1914 | 52.2 | 62 | 63.2 | 55 | 41.1 | 68 | 2.00 | 105 | 0 |
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| 1913 | 52 | 65 | 63.1 | 58 | 40.7 | 77 | 3.25 | 71 | 1 |
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| 1912 | 51.6 | 74 | 62.9 | 61 | 40.3 | 84 | 2.10 | 103 | 0 |
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| 1911 | 48 | 111 | 57.9 | 111 | 38.1 | 109 | 4.21 | 36 | 0 |
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| 1910 | 52.5 | 53 | 64.1 | 43 | 40.9 | 70 | 4.86 | 28 | 0 |
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| 1909 | 48.5 | 108 | 59.8 | 101 | 37.1 | 116 | 3.79 | 51 | 0 |
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| 1908 | 52.1 | 64 | 63.8 | 46 | 40.3 | 84 | 2.16 | 99 | 0 |
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| 1907 | 43.2 | 129 | 53.9 | 129 | 32.6 | 129 | 3.22 | 73 | 0 |
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| 1906 | 54.3 | 29 | 66 | 25 | 42.6 | 43 | 2.63 | 87 | 0 |
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| 1905 | 52.3 | 58 | 64 | 44 | 40.6 | 79 | 3.68 | 55 | 0 |
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| 1904 | 47.3 | 116 | 58 | 110 | 36.5 | 119 | 3.28 | 69 | 0 |
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| 1903 | 53.8 | 37 | 64.8 | 34 | 42.7 | 42 | 3.97 | 47 | 0 |
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| 1902 | 51.5 | 76 | 63.9 | 45 | 39 | 98 | 3.21 | 75 | 0 |
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| 1901 | 52.8 | 45 | 63.4 | 53 | 42.2 | 47 | 1.86 | 109 | 0 |
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| 1900 | 55.3 | 20 | 66.8 | 15 | 44.3 | 21 | 3.78 | 52 | 2 |
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| 1899 | 54.3 | 29 | 64.6 | 38 | 42.8 | 38 | 3.45 | 63 | 1 |
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| 1898 | 51.4 | 78 | 61 | 86 | 41.8 | 59 | 2.79 | 82 | 0 |
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