Every December in Cedar Rapids, IA from 1893 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 | 22 | 86 | 31.5 | 78 | 12.6 | 101 | 1.00 | 78 | 0 |
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| 2024 | 30 | 21 | 37.2 | 32 | 22.9 | 12 | 1.48 | 52 | 0 |
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| 2023 | 35.3 | 2 | 42.6 | 1 | 28 | 2 | 1.50 | 49 | 0 |
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| 2022 | 23.4 | 79 | 32 | 74 | 14.7 | 83 | 1.21 | 66 | 0 |
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| 2021 | 31.3 | 12 | 41.1 | 5 | 21.5 | 25 | 1.18 | 69 | 0 |
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| 2020 | 26.3 | 58 | 35.1 | 51 | 17.6 | 59 | 1.68 | 44 | 0 |
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| 2019 | 30.3 | 17 | 39.8 | 15 | 20.8 | 35 | 1.22 | 65 | 0 |
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| 2018 | 29.4 | 23 | 37.3 | 31 | 21.5 | 25 | 2.10 | 23 | 0 |
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| 2017 | 23.6 | 75 | 33 | 67 | 14.2 | 85 | 0.61 | 108 | 0 |
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| 2016 | 22.9 | 80 | 29.5 | 93 | 16.4 | 71 | 1.25 | 64 | 0 |
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| 2015 | 35.6 | 1 | 41.8 | 2 | 29.4 | 1 | 4.07 | 1 | 0 |
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| 2014 | 28.7 | 33 | 35.4 | 46 | 22.7 | 16 | 0.65 | 103 | 2 |
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| 2013 | 17.1 | 118 | 26.5 | 116 | 7.8 | 120 | 0.68 | 101 | 0 |
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| 2012 | 29.1 | 28 | 37.6 | 26 | 20.6 | 36 | 2.11 | 22 | 0 |
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| 2011 | 30.8 | 15 | 38.8 | 20 | 22.8 | 13 | 2.88 | 6 | 0 |
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| 2010 | 18.2 | 112 | 25.8 | 119 | 10.6 | 112 | 0.96 | 80 | 0 |
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| 2009 | 21.2 | 94 | 28.6 | 102 | 13.9 | 88 | 0.95 | 82 | 0 |
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| 2008 | 16.4 | 121 | 27.3 | 111 | 5.5 | 126 | 1.97 | 26 | 0 |
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| 2007 | 20.6 | 98 | 27.3 | 111 | 13.9 | 88 | 4.06 | 2 | 0 |
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| 2006 | 30.9 | 14 | 40.3 | 9 | 21.5 | 25 | 2.29 | 16 | 0 |
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| 2005 | 17.6 | 116 | 24.5 | 123 | 10.8 | 110 | 1.35 | 57 | 0 |
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| 2004 | 26.9 | 52 | 35.9 | 42 | 17.9 | 58 | 0.95 | 82 | 0 |
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| 2003 | 28.1 | 39 | 35.8 | 43 | 20.5 | 37 | 2.12 | 20 | 0 |
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| 2002 | 28.9 | 31 | 39.2 | 18 | 18.6 | 53 | 0.27 | 128 | 0 |
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| 2001 | 31.1 | 13 | 39.9 | 13 | 22.3 | 22 | 1.04 | 74 | 0 |
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| 2000 | 10 | 130 | 17.9 | 131 | 2.1 | 131 | 1.98 | 25 | 0 |
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| 1999 | 26 | 63 | 36.4 | 37 | 15.7 | 77 | 0.56 | 114 | 0 |
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| 1998 | 29.3 | 25 | 39.1 | 19 | 19.6 | 44 | 0.49 | 119 | 0 |
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| 1997 | 27 | 49 | 32.5 | 72 | 21.4 | 29 | 0.81 | 92 | 0 |
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| 1996 | 21.7 | 89 | 29.3 | 95 | 14.2 | 85 | 0.78 | 94 | 0 |
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| 1995 | 25.4 | 67 | 33.2 | 66 | 17.5 | 61 | 0.50 | 118 | 0 |
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| 1994 | 30.3 | 17 | 38.2 | 23 | 22.5 | 18 | 1.26 | 62 | 0 |
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| 1993 | 26.5 | 55 | 33.8 | 62 | 19.2 | 48 | 0.63 | 106 | 0 |
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| 1992 | 23.7 | 73 | 31 | 81 | 16.4 | 71 | 1.77 | 39 | 0 |
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| 1991 | 27.7 | 42 | 35.8 | 43 | 19.6 | 44 | 1.37 | 56 | 0 |
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| 1990 | 20.6 | 98 | 28.9 | 99 | 12.4 | 102 | 2.45 | 10 | 0 |
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| 1989 | 14.3 | 126 | 23.1 | 125 | 5.6 | 125 | 0.30 | 126 | 0 |
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| 1988 | 26.7 | 53 | 36.6 | 35 | 16.8 | 66 | 0.71 | 99 | 0 |
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| 1987 | 28.7 | 33 | 35.1 | 51 | 22.3 | 22 | 1.87 | 34 | 0 |
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| 1986 | 27.7 | 42 | 33 | 67 | 22.5 | 18 | 1.20 | 67 | 0 |
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| 1985 | 11 | 129 | 21.8 | 128 | 0.1 | 132 | 1.50 | 49 | 0 |
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| 1984 | 28 | 40 | 37.4 | 28 | 18.5 | 55 | 1.78 | 37 | 0 |
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| 1983 | 11.9 | 128 | 18.9 | 130 | 4.8 | 128 | 1.88 | 33 | 0 |
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| 1982 | 31.4 | 10 | 39.3 | 17 | 23.5 | 10 | 3.15 | 4 | 0 |
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| 1981 | 21.4 | 91 | 29.8 | 89 | 13.1 | 97 | 0.56 | 114 | 0 |
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| 1980 | 24.3 | 71 | 31.8 | 76 | 16.8 | 66 | 1.94 | 28 | 0 |
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| 1979 | 30.1 | 20 | 40.3 | 9 | 19.9 | 41 | 0.30 | 126 | 0 |
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| 1978 | 21 | 96 | 29.2 | 97 | 12.9 | 99 | 2.43 | 11 | 0 |
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| 1977 | 18.4 | 111 | 25 | 122 | 11.8 | 107 | 2.14 | 18 | 0 |
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| 1976 | 15.5 | 124 | 26.8 | 115 | 4.3 | 130 | 0.24 | 130 | 0 |
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| 1975 | 27.2 | 48 | 34.5 | 55 | 19.8 | 42 | 0.42 | 122 | 0 |
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| 1974 | 25.6 | 65 | 31.9 | 75 | 19.2 | 48 | 2.12 | 20 | 0 |
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| 1973 | 20.5 | 100 | 27.3 | 111 | 13.7 | 90 | 2.85 | 7 | 0 |
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| 1972 | 19 | 109 | 25.8 | 119 | 12.2 | 103 | 2.35 | 15 | 0 |
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| 1971 | 30 | 21 | 36.9 | 34 | 23.1 | 11 | 3.58 | 3 | 0 |
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| 1970 | 24.7 | 69 | 32.7 | 70 | 16.7 | 68 | 0.60 | 109 | 0 |
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| 1969 | 21.1 | 95 | 28.8 | 101 | 13.4 | 93 | 1.72 | 43 | 0 |
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| 1968 | 22 | 86 | 29.9 | 88 | 14.2 | 85 | 1.87 | 34 | 0 |
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| 1967 | 27 | 49 | 34.5 | 55 | 19.4 | 47 | 0.73 | 98 | 0 |
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| 1966 | 23.6 | 75 | 30.6 | 83 | 16.6 | 69 | 2.09 | 24 | 0 |
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| 1965 | 32.5 | 7 | 41 | 6 | 24 | 9 | 2.55 | 9 | 0 |
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| 1964 | 23.7 | 73 | 30.5 | 84 | 16.9 | 65 | 1.03 | 75 | 0 |
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| 1963 | 13 | 127 | 21.1 | 129 | 4.9 | 127 | 0.57 | 113 | 0 |
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| 1962 | 23.5 | 78 | 32.1 | 73 | 15 | 82 | 0.58 | 111 | 0 |
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| 1961 | 19.2 | 108 | 27.6 | 110 | 10.8 | 110 | 2.13 | 19 | 0 |
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| 1960 | 22.5 | 83 | 31.7 | 77 | 13.3 | 96 | 0.65 | 103 | 0 |
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| 1959 | 32.2 | 8 | 38.8 | 20 | 25.7 | 7 | 2.37 | 14 | 0 |
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| 1958 | 20.3 | 102 | 29.2 | 97 | 11.3 | 108 | 0.45 | 121 | 0 |
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| 1957 | 31.4 | 10 | 39.9 | 13 | 22.8 | 13 | 1.06 | 73 | 0 |
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| 1956 | 27 | 49 | 35.4 | 46 | 18.6 | 53 | 0.96 | 80 | 0 |
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| 1955 | 20.4 | 101 | 29.6 | 91 | 11.2 | 109 | 0.26 | 129 | 0 |
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| 1954 | 27.5 | 44 | 33.8 | 62 | 21.1 | 31 | 1.28 | 60 | 0 |
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| 1953 | 27.5 | 44 | 36.2 | 39 | 18.7 | 51 | 1.26 | 62 | 0 |
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| 1952 | 28.4 | 37 | 34.2 | 58 | 22.7 | 16 | 2.40 | 12 | 0 |
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| 1951 | 22.1 | 85 | 30.7 | 82 | 13.6 | 91 | 1.74 | 42 | 0 |
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| 1950 | 17.6 | 116 | 25.9 | 118 | 9.2 | 118 | 1.31 | 59 | 0 |
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| 1949 | 28.3 | 38 | 37.4 | 28 | 19.2 | 48 | 0.75 | 95 | 0 |
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| 1948 | 26.6 | 54 | 34.8 | 54 | 18.4 | 57 | 2.75 | 8 | 0 |
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| 1947 | 28.5 | 36 | 36.5 | 36 | 20.4 | 38 | | | 0 |
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| 1946 | 30.8 | 15 | 40.7 | 7 | 20.9 | 32 | | | 0 |
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| 1945 | 19.3 | 107 | 26.3 | 117 | 12.2 | 103 | 1.81 | 36 | 0 |
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| 1944 | 20.2 | 104 | 28.2 | 104 | 12.2 | 103 | 1.51 | 48 | 0 |
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| 1943 | 26.4 | 56 | 35.5 | 45 | 17.2 | 63 | 1.38 | 55 | 0 |
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| 1942 | 20.3 | 102 | 27.7 | 108 | 12.8 | 100 | 1.90 | 31 | 0 |
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| 1941 | 33.4 | 5 | 40.5 | 8 | 26.2 | 6 | 1.55 | 47 | 0 |
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| 1940 | 29.4 | 23 | 36.4 | 37 | 22.4 | 20 | 1.89 | 32 | 0 |
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| 1939 | 32.2 | 8 | 41.5 | 4 | 22.8 | 13 | 0.39 | 123 | 0 |
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| 1938 | 26.3 | 58 | 34.1 | 59 | 18.5 | 55 | 1.16 | 70 | 0 |
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| 1937 | 22.8 | 81 | 29.8 | 89 | 15.8 | 76 | 1.03 | 75 | 0 |
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| 1936 | 29.1 | 28 | 37.9 | 25 | 20.3 | 39 | 1.56 | 46 | 0 |
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| 1935 | 20.9 | 97 | 28.4 | 103 | 13.4 | 93 | 0.84 | 90 | 0 |
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| 1934 | 21.4 | 91 | 29.4 | 94 | 13.5 | 92 | 0.62 | 107 | 0 |
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| 1933 | 26.3 | 58 | 36 | 41 | 16.6 | 69 | 0.92 | 86 | 0 |
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| 1932 | 23.6 | 75 | 32.8 | 69 | 14.4 | 84 | 1.78 | 37 | 0 |
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| 1931 | 34.7 | 3 | 41.6 | 3 | 27.8 | 3 | 1.93 | 30 | 0 |
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| 1930 | 24.9 | 68 | 33.7 | 64 | 16.1 | 75 | 0.93 | 85 | 0 |
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| 1929 | 25.7 | 64 | 34.1 | 59 | 17.3 | 62 | 0.56 | 114 | 0 |
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| 1928 | 28.7 | 33 | 37.4 | 28 | 20 | 40 | 0.99 | 79 | 0 |
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| 1927 | 20.2 | 104 | 30.4 | 87 | 10.1 | 114 | 1.67 | 45 | 0 |
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| 1926 | 22.8 | 81 | 30.5 | 84 | 15.1 | 80 | 0.75 | 95 | 0 |
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| 1925 | 17.7 | 114 | 27.7 | 108 | 7.6 | 122 | 0.95 | 82 | 0 |
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| 1924 | 16.3 | 122 | 27.9 | 105 | 4.5 | 129 | 1.45 | 54 | 1 |
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| 1922 | 26.1 | 61 | 35.2 | 49 | 17.1 | 64 | 0.35 | 124 | 0 |
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| 1921 | 29.2 | 27 | 37.5 | 27 | 20.9 | 32 | 2.15 | 17 | 0 |
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| 1920 | 27.9 | 41 | 34.5 | 55 | 21.4 | 29 | 0.84 | 90 | 0 |
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| 1919 | 16 | 123 | 23 | 126 | 8.9 | 119 | 0.80 | 93 | 0 |
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| 1918 | 33.4 | 5 | 40.3 | 9 | 26.5 | 5 | 1.34 | 58 | 0 |
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| 1917 | 15 | 125 | 22.3 | 127 | 7.7 | 121 | 0.47 | 120 | 0 |
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| 1916 | 19.4 | 106 | 29.3 | 95 | 9.5 | 117 | 1.12 | 71 | 0 |
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| 1915 | 23.8 | 72 | 31.4 | 79 | 16.3 | 74 | 0.74 | 97 | 0 |
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| 1914 | 18.2 | 112 | 25.8 | 119 | 10.6 | 112 | 1.11 | 72 | 0 |
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| 1913 | 33.5 | 4 | 40.3 | 9 | 26.7 | 4 | 0.90 | 88 | 0 |
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| 1912 | 29 | 30 | 38.5 | 22 | 19.6 | 44 | 0.60 | 109 | 0 |
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| 1911 | 29.3 | 25 | 37 | 33 | 21.7 | 24 | 1.94 | 28 | 0 |
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| 1910 | 21.8 | 88 | 30.5 | 84 | 13.1 | 97 | 0.33 | 125 | 0 |
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| 1909 | 16.8 | 120 | 23.5 | 124 | 10 | 116 | 1.50 | 49 | 0 |
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| 1908 | 26.4 | 56 | 35.2 | 49 | 17.6 | 59 | 0.58 | 111 | 0 |
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| 1907 | 28.9 | 31 | 36.2 | 39 | 21.5 | 25 | 0.69 | 100 | 0 |
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| 1906 | 26.1 | 61 | 33.5 | 65 | 18.7 | 51 | 1.47 | 53 | 0 |
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| 1905 | 25.5 | 66 | 35.3 | 48 | 15.7 | 77 | 0.52 | 117 | 0 |
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| 1904 | 21.6 | 90 | 31.2 | 80 | 11.9 | 106 | 1.75 | 41 | 0 |
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| 1903 | 17.7 | 114 | 28.9 | 99 | 6.5 | 124 | 0.68 | 101 | 0 |
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| 1902 | 22.5 | 83 | 29.6 | 91 | 15.5 | 79 | 1.96 | 27 | 0 |
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| 1901 | 21.4 | 91 | 27.8 | 106 | 15.1 | 80 | 1.76 | 40 | 0 |
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| 1900 | 27.3 | 47 | 35 | 53 | 19.7 | 43 | 0.92 | 86 | 1 |
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| 1899 | 24.5 | 70 | 32.6 | 71 | 16.4 | 71 | 1.27 | 61 | 1 |
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| 1898 | 19 | 109 | 27.8 | 106 | 10.1 | 114 | 0.65 | 103 | 0 |
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| 1897 | 17 | 119 | 27.3 | 111 | 6.7 | 123 | 1.02 | 77 | 0 |
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| 1896 | 30.3 | 17 | 38.2 | 23 | 22.4 | 20 | 0.85 | 89 | 0 |
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| 1895 | 27.5 | 44 | 34 | 61 | 20.9 | 32 | 2.90 | 5 | 3 |
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| 1894 | | | 39.7 | 16 | 25.3 | 8 | 1.19 | 68 | 4 |
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| 1893 | | | | | 13.4 | 93 | 2.40 | 12 | 7 |
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