Every winter in Portland, ME from 1872 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 | 22.7 | 113 | 31.6 | 108 | 13.8 | 115 | 7.73 | 131 | 0 |
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| 2025 | 25 | 70 | 33.4 | 74 | 16.5 | 79 | 10.33 | 97 | 0 |
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| 2024 | 31 | 4 | 38.5 | 5 | 23.6 | 2 | 15.26 | 14 | 0 |
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| 2023 | 30.3 | 7 | 38.2 | 8 | 22.3 | 8 | 13.44 | 35 | 0 |
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| 2022 | 26.8 | 37 | 35.7 | 31 | 17.9 | 55 | 10.46 | 95 | 0 |
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| 2021 | 28.3 | 20 | 35.8 | 29 | 20.8 | 15 | 10.39 | 96 | 0 |
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| 2020 | 30.2 | 8 | 38.4 | 6 | 21.9 | 11 | 15.55 | 12 | 0 |
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| 2019 | 26.4 | 46 | 35.1 | 39 | 17.6 | 60 | 13.13 | 39 | 0 |
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| 2018 | 25.4 | 63 | 34 | 56 | 16.8 | 71 | 11.09 | 80 | 0 |
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| 2017 | 28.9 | 14 | 37.2 | 14 | 20.6 | 19 | 13.51 | 34 | 0 |
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| 2016 | 31.3 | 3 | 40.2 | 1 | 22.4 | 7 | 12.88 | 44 | 0 |
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| 2015 | 23.2 | 104 | 32.1 | 100 | 14.2 | 107 | 13.75 | 31 | 0 |
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| 2014 | 22.6 | 114 | 31 | 121 | 14.2 | 107 | 12.76 | 47 | 0 |
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| 2013 | 28.5 | 18 | 36.4 | 23 | 20.5 | 21 | 15.73 | 11 | 0 |
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| 2012 | 30.2 | 8 | 39.1 | 3 | 21.4 | 13 | 9.27 | 113 | 0 |
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| 2011 | 24.8 | 75 | 33.8 | 61 | 15.7 | 87 | 10.54 | 94 | 0 |
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| 2010 | 28.3 | 20 | 36.1 | 25 | 20.5 | 21 | 14.33 | 23 | 0 |
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| 2009 | 23.9 | 92 | 33.7 | 64 | 14.1 | 111 | 9.76 | 108 | 0 |
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| 2008 | 26 | 53 | 34.4 | 48 | 17.5 | 63 | 15.06 | 15 | 0 |
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| 2007 | 26.8 | 37 | 35.5 | 33 | 18 | 53 | 7.18 | 136 | 0 |
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| 2006 | 28 | 23 | 35.8 | 29 | 20.2 | 24 | 11.76 | 64 | 0 |
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| 2005 | 24.2 | 87 | 32.8 | 82 | 15.6 | 88 | 10.95 | 84 | 0 |
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| 2004 | 23.4 | 100 | 32.5 | 86 | 14.4 | 105 | 6.76 | 140 | 0 |
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| 2003 | 21.3 | 131 | 29.9 | 133 | 12.7 | 125 | 9.16 | 115 | 0 |
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| 2002 | 31.4 | 2 | 39.7 | 2 | 23 | 4 | 7.49 | 132 | 0 |
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| 2001 | 23.1 | 107 | 32.6 | 83 | 13.7 | 116 | 8.40 | 121 | 0 |
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| 2000 | 26.6 | 41 | 35.3 | 35 | 17.9 | 55 | 8.29 | 124 | 0 |
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| 1999 | 27.9 | 24 | 37.4 | 11 | 18.3 | 46 | 11.40 | 72 | 0 |
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| 1998 | 29.2 | 13 | 36.6 | 19 | 21.8 | 12 | 13.12 | 40 | 0 |
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| 1997 | 28.8 | 16 | 36.8 | 16 | 20.8 | 15 | 13.71 | 33 | 0 |
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| 1996 | 23.3 | 102 | 32 | 101 | 14.6 | 101 | 12.68 | 50 | 0 |
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| 1995 | 26.8 | 37 | 35.1 | 39 | 18.5 | 43 | 14.67 | 20 | 0 |
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| 1994 | 21.2 | 132 | 30.3 | 130 | 12.1 | 132 | 12.03 | 59 | 0 |
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| 1993 | 23.2 | 104 | 32.2 | 98 | 14.3 | 106 | 8.76 | 118 | 0 |
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| 1992 | 25.4 | 63 | 34.4 | 48 | 16.3 | 80 | 12.28 | 55 | 0 |
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| 1991 | 28.9 | 14 | 37.5 | 10 | 20.2 | 24 | 12.66 | 51 | 0 |
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| 1990 | 23.2 | 104 | 32.9 | 80 | 13.5 | 118 | 7.91 | 127 | 0 |
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| 1989 | 25.7 | 60 | 34.7 | 45 | 16.6 | 77 | 4.73 | 147 | 0 |
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| 1988 | 25.8 | 56 | 35 | 43 | 16.7 | 74 | 7.32 | 134 | 0 |
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| 1987 | 24.8 | 75 | 34.5 | 46 | 15 | 96 | 11.16 | 78 | 0 |
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| 1986 | 24.3 | 84 | 33.5 | 70 | 15.1 | 94 | 11.58 | 68 | 0 |
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| 1985 | 24.5 | 81 | 34 | 56 | 15 | 96 | 6.01 | 142 | 0 |
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| 1984 | 25.8 | 56 | 34.1 | 53 | 17.6 | 60 | 16.33 | 9 | 0 |
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| 1983 | 27.8 | 26 | 36.6 | 19 | 19.1 | 33 | 9.71 | 109 | 0 |
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| 1982 | 22.4 | 117 | 31 | 121 | 13.9 | 113 | 12.21 | 57 | 0 |
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| 1981 | 22.1 | 120 | 32.5 | 86 | 11.8 | 134 | 9.21 | 114 | 0 |
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| 1980 | 24.4 | 83 | 34 | 56 | 14.7 | 99 | 4.93 | 146 | 0 |
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| 1979 | 21.9 | 124 | 30.3 | 130 | 13.5 | 118 | 18.57 | 2 | 0 |
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| 1978 | 22 | 122 | 31.4 | 113 | 12.6 | 127 | 14.39 | 22 | 0 |
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| 1977 | 18.4 | 149 | 28.8 | 142 | 8.1 | 151 | 13.43 | 36 | 1 |
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| 1976 | 22.6 | 114 | 32.6 | 83 | 12.6 | 127 | 15.42 | 13 | 0 |
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| 1975 | 27.4 | 31 | 36.7 | 17 | 18.1 | 50 | 11.32 | 75 | 0 |
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| 1974 | 27.1 | 35 | 35.9 | 27 | 18.3 | 46 | 15.05 | 16 | 0 |
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| 1973 | 23.5 | 97 | 31.4 | 113 | 15.5 | 90 | 11.64 | 65 | 0 |
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| 1972 | 23.6 | 95 | 33.6 | 66 | 13.5 | 118 | 10.08 | 103 | 0 |
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| 1971 | 17.7 | 151 | 27.2 | 148 | 8.2 | 150 | 14.15 | 26 | 0 |
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| 1970 | 23.5 | 97 | 32.3 | 96 | 14.8 | 98 | 14.76 | 18 | 0 |
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| 1969 | 24.8 | 75 | 33.2 | 75 | 16.3 | 80 | 17.61 | 5 | 0 |
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| 1968 | 21.2 | 132 | 31.4 | 113 | 11 | 140 | 10.26 | 100 | 0 |
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| 1967 | 22.9 | 111 | 33.2 | 75 | 12.7 | 125 | 10.61 | 91 | 0 |
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| 1966 | 24.3 | 84 | 33.5 | 70 | 15.1 | 94 | 10.80 | 88 | 0 |
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| 1965 | 22.2 | 118 | 31.3 | 116 | 13.2 | 122 | 11.79 | 63 | 0 |
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| 1964 | 21.2 | 132 | 31.7 | 104 | 10.7 | 144 | 9.56 | 111 | 0 |
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| 1963 | 21.7 | 127 | 32.4 | 94 | 11.1 | 139 | 11.15 | 79 | 0 |
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| 1962 | 21.7 | 127 | 31.5 | 110 | 11.9 | 133 | 7.89 | 128 | 0 |
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| 1961 | 20.4 | 139 | 31.7 | 104 | 9.2 | 147 | 8.75 | 119 | 0 |
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| 1960 | 27.3 | 33 | 35.9 | 27 | 18.7 | 38 | 13.95 | 29 | 0 |
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| 1959 | 19.2 | 145 | 29.9 | 133 | 8.5 | 149 | 6.89 | 139 | 0 |
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| 1958 | 26.4 | 46 | 35.6 | 32 | 17.2 | 67 | 14.23 | 25 | 0 |
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| 1957 | 22.6 | 114 | 33 | 79 | 12.2 | 131 | 6.98 | 138 | 0 |
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| 1956 | 23.3 | 102 | 32.5 | 86 | 14.2 | 107 | 10.67 | 90 | 0 |
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| 1955 | 25.4 | 63 | 34.1 | 53 | 16.8 | 71 | 11.09 | 80 | 0 |
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| 1954 | 26.6 | 41 | 36.1 | 25 | 17.1 | 69 | 10.83 | 87 | 0 |
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| 1953 | 28.8 | 16 | 37.4 | 11 | 20.1 | 27 | 13.73 | 32 | 0 |
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| 1952 | 24.9 | 72 | 35.2 | 37 | 14.6 | 101 | 17.61 | 5 | 0 |
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| 1951 | 27.4 | 31 | 36.7 | 17 | 18.1 | 50 | 10.74 | 89 | 0 |
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| 1950 | 25.3 | 67 | 35.3 | 35 | 15.3 | 92 | 8.63 | 120 | 0 |
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| 1949 | 27.6 | 29 | 36.5 | 22 | 18.7 | 38 | 11.62 | 66 | 0 |
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| 1948 | 18.9 | 147 | 29.9 | 133 | 7.9 | 152 | 5.99 | 143 | 0 |
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| 1947 | 24.3 | 84 | 34.3 | 50 | 14.2 | 107 | 10.85 | 86 | 0 |
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| 1946 | 20.4 | 139 | 30.9 | 125 | 9.9 | 145 | 12.30 | 54 | 0 |
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| 1945 | 20.5 | 138 | 31.3 | 116 | 9.6 | 146 | 11.54 | 69 | 0 |
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| 1944 | 21.6 | 129 | 32.2 | 98 | 11 | 140 | 7.26 | 135 | 0 |
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| 1943 | 21.1 | 135 | 30.9 | 125 | 11.3 | 138 | 9.94 | 105 | 0 |
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| 1942 | 24.2 | 87 | 33.8 | 61 | 14.6 | 101 | 10.02 | 104 | 0 |
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| 1941 | 22 | 122 | 32.4 | 94 | 11.5 | 136 | 8.98 | 116 | 0 |
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| 1940 | 25 | 70 | 31.9 | 102 | 18.1 | 50 | 12.42 | 52 | 0 |
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| 1939 | 26.5 | 45 | 34.3 | 50 | 18.8 | 36 | 11.00 | 83 | 0 |
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| 1938 | 25.8 | 56 | 32.9 | 80 | 18.7 | 38 | | | 0 |
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| 1937 | 31 | 4 | 38.4 | 6 | 23.6 | 2 | | | 0 |
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| 1936 | 23.1 | 107 | 30.1 | 132 | 16 | 84 | | | 0 |
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| 1935 | 22.1 | 120 | 29.6 | 139 | 14.6 | 101 | | | 0 |
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| 1934 | 19.8 | 143 | 27.8 | 144 | 11.8 | 134 | 19.27 | 1 | 0 |
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| 1933 | 31.5 | 1 | 38.7 | 4 | 24.2 | 1 | 12.84 | 45 | 0 |
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| 1932 | 29.8 | 11 | 36.6 | 19 | 23 | 4 | 14.72 | 19 | 0 |
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| 1931 | 26.6 | 41 | 33.6 | 66 | 19.5 | 31 | | | 0 |
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| 1930 | 25.4 | 63 | 32.5 | 86 | 18.2 | 48 | | | 0 |
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| 1929 | 27.9 | 24 | 35.1 | 39 | 20.7 | 18 | 11.87 | 62 | 0 |
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| 1928 | 27.3 | 33 | 34.5 | 46 | 20 | 29 | 12.27 | 56 | 0 |
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| 1927 | 24.5 | 81 | 31.5 | 110 | 17.5 | 63 | 12.97 | 43 | 0 |
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| 1926 | 24.7 | 78 | 31.8 | 103 | 17.6 | 60 | 12.08 | 58 | 0 |
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| 1925 | 23.9 | 92 | 31.1 | 118 | 16.7 | 74 | 11.51 | 70 | 0 |
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| 1924 | 26.2 | 50 | 33.9 | 59 | 18.6 | 42 | 11.92 | 60 | 0 |
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| 1923 | 20.1 | 142 | 27.7 | 145 | 12.6 | 127 | | | 0 |
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| 1922 | 23.5 | 97 | 31.1 | 118 | 15.9 | 85 | 11.59 | 67 | 0 |
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| 1921 | 27.7 | 27 | 34.8 | 44 | 20.6 | 19 | 12.39 | 53 | 0 |
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| 1920 | 19.8 | 143 | 27.3 | 147 | 12.3 | 130 | 14.24 | 24 | 0 |
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| 1919 | 27 | 36 | 33.5 | 70 | 20.5 | 21 | 11.33 | 74 | 0 |
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| 1918 | 17.2 | 152 | 25.1 | 152 | 9.2 | 147 | 10.32 | 98 | 0 |
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| 1917 | 23.1 | 107 | 30.6 | 128 | 15.6 | 88 | 13.97 | 28 | 0 |
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| 1916 | 25.7 | 60 | 33.2 | 75 | 18.2 | 48 | 11.32 | 75 | 0 |
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| 1915 | 26.3 | 48 | 33.6 | 66 | 19 | 35 | 12.70 | 48 | 0 |
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| 1914 | 23.4 | 100 | 30.9 | 125 | 15.9 | 85 | 11.40 | 72 | 0 |
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| 1913 | 28.5 | 18 | 36.3 | 24 | 20.8 | 15 | 9.33 | 112 | 0 |
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| 1912 | 23.8 | 94 | 31 | 121 | 16.7 | 74 | 13.79 | 30 | 0 |
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| 1911 | 21.9 | 124 | 29.8 | 136 | 13.9 | 113 | 11.03 | 82 | 0 |
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| 1910 | 26.1 | 51 | 33.2 | 75 | 19.1 | 33 | 9.80 | 107 | 0 |
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| 1909 | 24.9 | 72 | 32.5 | 86 | 17.2 | 67 | 12.70 | 48 | 0 |
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| 1908 | 26.3 | 48 | 33.8 | 61 | 18.8 | 36 | 10.26 | 100 | 0 |
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| 1907 | 19.2 | 145 | 26.9 | 149 | 11.4 | 137 | 10.21 | 102 | 0 |
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| 1906 | 27.7 | 27 | 35.2 | 37 | 20.1 | 27 | 10.31 | 99 | 0 |
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| 1905 | 18.3 | 150 | 25.7 | 151 | 10.9 | 142 | 8.37 | 122 | 0 |
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| 1904 | 18.5 | 148 | 26.1 | 150 | 10.8 | 143 | 9.85 | 106 | 0 |
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| 1903 | 24.2 | 87 | 31.5 | 110 | 16.8 | 71 | 14.88 | 17 | 0 |
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| 1902 | 25.3 | 67 | 32.3 | 96 | 18.4 | 44 | 13.21 | 38 | 0 |
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| 1901 | 22.9 | 111 | 30.4 | 129 | 15.5 | 90 | 7.40 | 133 | 0 |
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| 1900 | 26.6 | 41 | 33.9 | 59 | 19.2 | 32 | 18.37 | 4 | 0 |
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| 1899 | 24.1 | 90 | 31.7 | 104 | 16.6 | 77 | 9.65 | 110 | 0 |
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| 1898 | 25.6 | 62 | 32.5 | 86 | 18.7 | 38 | 18.44 | 3 | 0 |
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| 1897 | 24.9 | 72 | 32.5 | 86 | 17.3 | 66 | 8.87 | 117 | 0 |
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| 1896 | 24.6 | 80 | 31.6 | 108 | 17.5 | 63 | 10.57 | 92 | 0 |
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| 1895 | 23.1 | 107 | 31.1 | 118 | 15.2 | 93 | 5.16 | 145 | 0 |
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| 1894 | 21.9 | 124 | 29.8 | 136 | 14 | 112 | 11.25 | 77 | 0 |
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| 1893 | 20.3 | 141 | 27.7 | 145 | 12.9 | 124 | 8.02 | 125 | 0 |
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| 1892 | 28.3 | 20 | 35.4 | 34 | 21.2 | 14 | 10.57 | 92 | 0 |
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| 1891 | 22.2 | 118 | 29.7 | 138 | 14.7 | 99 | 17.11 | 7 | 0 |
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| 1890 | 27.6 | 29 | 35.1 | 39 | 20.2 | 24 | 11.89 | 61 | 0 |
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| 1889 | 26.8 | 37 | 33.7 | 64 | 19.9 | 30 | 10.92 | 85 | 0 |
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| 1888 | 21.5 | 130 | 29.3 | 140 | 13.6 | 117 | 16.62 | 8 | 0 |
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| 1887 | 21 | 136 | 28.9 | 141 | 13 | 123 | 14.66 | 21 | 0 |
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| 1886 | 23.6 | 95 | 31 | 121 | 16.1 | 83 | 13.11 | 42 | 0 |
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| 1885 | 26.1 | 51 | 34.3 | 50 | 17.9 | 55 | 13.12 | 40 | 0 |
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| 1884 | 25.8 | 56 | 33.6 | 66 | 18 | 53 | 14.09 | 27 | 0 |
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| 1883 | 24.7 | 78 | 32.6 | 83 | 16.9 | 70 | 7.95 | 126 | 0 |
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| 1882 | 29.8 | 11 | 37.2 | 14 | 22.3 | 8 | 15.76 | 10 | 0 |
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| 1881 | 25.2 | 69 | 32.5 | 86 | 17.8 | 59 | 12.77 | 46 | 0 |
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| 1880 | 29.9 | 10 | 37.4 | 11 | 22.3 | 8 | 13.25 | 37 | 0 |
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| 1879 | 25.9 | 55 | 33.5 | 70 | 18.4 | 44 | 11.46 | 71 | 0 |
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| 1878 | 30.4 | 6 | 38.2 | 8 | 22.7 | 6 | 8.31 | 123 | 0 |
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| 1877 | 24 | 91 | 31.7 | 104 | 16.3 | 80 | 5.73 | 144 | 0 |
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| 1876 | 26 | 53 | 34.1 | 53 | 17.9 | 55 | 7.84 | 130 | 0 |
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| 1875 | 20.8 | 137 | 28.3 | 143 | 13.3 | 121 | 6.36 | 141 | 0 |
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| 1874 | | | | | | | 7.06 | 137 | 90 |
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| 1873 | | | | | | | 7.89 | 128 | 90 |
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| 1872 | | | | | | | 4.12 | 148 | 91 |
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