Every August in Millinocket, ME from 1903 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 | 68.8 | 12 | 79.4 | 22 | 58.3 | 11 | 2.72 | 85 | 0 |
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| 2025 | 66.4 | 45 | 80.3 | 13 | 52.5 | 87 | 3.17 | 70 | 0 |
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| 2024 | 67.7 | 25 | 77.5 | 54 | 57.9 | 13 | 2.65 | 90 | 0 |
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| 2023 | 65.3 | 67 | 74.2 | 106 | 56.5 | 28 | 6.41 | 13 | 0 |
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| 2022 | 68.5 | 14 | 78.3 | 38 | 58.6 | 9 | 6.12 | 17 | 0 |
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| 2021 | 70.4 | 2 | 80.6 | 10 | 60.2 | 1 | 2.77 | 84 | 0 |
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| 2020 | 67.7 | 25 | 78.3 | 38 | 57.1 | 22 | 2.86 | 80 | 0 |
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| 2019 | 66.2 | 46 | 76.7 | 67 | 55.8 | 41 | 3.98 | 51 | 0 |
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| 2018 | 69.6 | 6 | 79.9 | 15 | 59.2 | 5 | 4.04 | 49 | 0 |
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| 2017 | 64.6 | 85 | 76.4 | 72 | 52.9 | 82 | 1.14 | 116 | 0 |
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| 2016 | 68.3 | 16 | 79.1 | 26 | 57.6 | 19 | 4.24 | 45 | 0 |
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| 2015 | 69.8 | 5 | 79.5 | 19 | 60 | 2 | 5.88 | 21 | 0 |
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| 2014 | 67.4 | 30 | 78.1 | 41 | 56.7 | 26 | 2.26 | 104 | 0 |
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| 2013 | 65.8 | 57 | 76.9 | 66 | 54.7 | 54 | 5.03 | 28 | 0 |
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| 2012 | 70.3 | 3 | 80.9 | 8 | 59.6 | 4 | 3.91 | 54 | 0 |
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| 2011 | 67.3 | 34 | 76.7 | 67 | 57.9 | 13 | 7.36 | 6 | 0 |
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| 2010 | 67.8 | 20 | 79.5 | 19 | 56.1 | 33 | 1.48 | 114 | 0 |
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| 2009 | 68.1 | 17 | 78.5 | 31 | 57.8 | 15 | 2.71 | 86 | 0 |
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| 2008 | 64.8 | 79 | 74.1 | 108 | 55.5 | 44 | 4.50 | 40 | 1 |
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| 2007 | 65.1 | 69 | 76.7 | 67 | 53.5 | 77 | 4.98 | 30 | 1 |
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| 2006 | 63 | 109 | 73.9 | 110 | 52.2 | 95 | 4.34 | 42 | 0 |
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| 2005 | 67 | 39 | 78 | 44 | 56.1 | 33 | 6.06 | 18 | 0 |
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| 2004 | 66.1 | 51 | 76 | 79 | 56.2 | 31 | 9.26 | 2 | 0 |
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| 2003 | 67.6 | 28 | 76.4 | 72 | 58.8 | 7 | 3.14 | 72 | 0 |
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| 2002 | 68.7 | 13 | 81 | 7 | 56.4 | 29 | 0.73 | 121 | 3 |
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| 2001 | 69.1 | 10 | 81.4 | 6 | 56.8 | 25 | 1.51 | 113 | 0 |
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| 2000 | 64.6 | 85 | 74.4 | 104 | 54.8 | 50 | 3.02 | 76 | 0 |
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| 1999 | 65.5 | 60 | 76.6 | 71 | 54.5 | 55 | 3.25 | 68 | 1 |
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| 1998 | 67.2 | 37 | 79.3 | 23 | 55 | 48 | 2.83 | 82 | 2 |
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| 1997 | 65.1 | 69 | 76.2 | 76 | 53.9 | 65 | 5.90 | 19 | 0 |
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| 1996 | 66 | 52 | 77.5 | 54 | 54.5 | 55 | 0.96 | 120 | 0 |
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| 1995 | 67 | 39 | 79.1 | 26 | 54.8 | 50 | 1.59 | 110 | 0 |
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| 1994 | 64.6 | 85 | 75.4 | 88 | 53.8 | 68 | 2.69 | 87 | 0 |
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| 1993 | 67.8 | 20 | 79.5 | 19 | 56.1 | 33 | 2.24 | 106 | 0 |
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| 1992 | 65.4 | 63 | 74.7 | 99 | 56.1 | 33 | 3.67 | 57 | 0 |
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| 1991 | 67.5 | 29 | 77.2 | 62 | 57.8 | 15 | 9.42 | 1 | 0 |
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| 1990 | 68.5 | 14 | 79.3 | 23 | 57.7 | 17 | 4.78 | 34 | 0 |
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| 1989 | 64.7 | 81 | 74.7 | 99 | 54.8 | 50 | 5.66 | 23 | 0 |
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| 1988 | 67.3 | 34 | 76.3 | 75 | 58.4 | 10 | 8.08 | 4 | 0 |
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| 1987 | 64.2 | 94 | 76.1 | 77 | 52.3 | 92 | 0.73 | 121 | 1 |
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| 1986 | 63 | 109 | 72.5 | 115 | 53.5 | 77 | 3.37 | 66 | 0 |
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| 1985 | 65.4 | 63 | 77 | 64 | 53.8 | 68 | 3.01 | 77 | 2 |
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| 1984 | 69.5 | 7 | 80 | 14 | 59 | 6 | 3.78 | 56 | 0 |
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| 1983 | 67.4 | 30 | 78.4 | 36 | 56.1 | 33 | 3.53 | 59 | 1 |
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| 1982 | 61.6 | 115 | 73 | 113 | 50.3 | 117 | 4.55 | 39 | 1 |
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| 1981 | 65.6 | 58 | 77.3 | 59 | 54 | 64 | 6.35 | 14 | 0 |
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| 1980 | 67.4 | 30 | 78.7 | 30 | 56.1 | 33 | 2.68 | 88 | 0 |
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| 1979 | 63.7 | 97 | 72.2 | 117 | 55.2 | 45 | 6.53 | 10 | 0 |
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| 1978 | 66.2 | 46 | 78.5 | 31 | 53.9 | 65 | 2.47 | 97 | 0 |
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| 1977 | 64.9 | 75 | 75.3 | 89 | 54.5 | 55 | 4.27 | 44 | 0 |
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| 1976 | 65 | 73 | 75.5 | 86 | 54.4 | 58 | 6.21 | 16 | 0 |
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| 1975 | 66.5 | 43 | 77.6 | 50 | 55.1 | 47 | 1.53 | 112 | 1 |
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| 1974 | 65 | 73 | 77.7 | 47 | 52.3 | 92 | | | 0 |
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| 1973 | 69.1 | 10 | 78.5 | 31 | 59.7 | 3 | 6.69 | 9 | 0 |
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| 1972 | 63.4 | 101 | 74.7 | 99 | 52.2 | 95 | 2.36 | 99 | 0 |
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| 1971 | 66.5 | 43 | 76.7 | 67 | 56.2 | 31 | 3.48 | 62 | 0 |
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| 1970 | 67.9 | 19 | 78.3 | 38 | 57.5 | 20 | 2.57 | 93 | 0 |
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| 1969 | 68 | 18 | 77.7 | 47 | 58.3 | 11 | 2.67 | 89 | 0 |
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| 1968 | 62.5 | 112 | 73.5 | 111 | 51.6 | 106 | 1.01 | 117 | 0 |
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| 1967 | 67 | 39 | 77.4 | 58 | 56.7 | 26 | 4.56 | 37 | 0 |
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| 1966 | 65.6 | 58 | 75.6 | 85 | 55.6 | 42 | 2.55 | 95 | 0 |
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| 1965 | 64.5 | 90 | 74.8 | 96 | 54.3 | 59 | 4.83 | 33 | 0 |
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| 1964 | 59.8 | 120 | 70.1 | 119 | 49.5 | 119 | 2.95 | 79 | 0 |
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| 1963 | 60.8 | 118 | 69.9 | 120 | 51.6 | 106 | 8.15 | 3 | 0 |
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| 1962 | 63.3 | 103 | 72.8 | 114 | 53.8 | 68 | 4.68 | 35 | 0 |
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| 1961 | 65.5 | 60 | 77.3 | 59 | 53.7 | 72 | 4.28 | 43 | 0 |
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| 1960 | 64.7 | 81 | 78.4 | 36 | 51 | 113 | 1.01 | 117 | 0 |
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| 1959 | 65.5 | 60 | 75 | 93 | 56.1 | 33 | 5.41 | 25 | 0 |
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| 1958 | 64.7 | 81 | 77 | 64 | 52.3 | 92 | 5.89 | 20 | 0 |
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| 1957 | 62.1 | 113 | 75.1 | 91 | 49 | 121 | 1.89 | 109 | 0 |
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| 1956 | 61.3 | 117 | 73.3 | 112 | 49.3 | 120 | 3.01 | 77 | 0 |
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| 1955 | 67.2 | 37 | 78.1 | 41 | 56.3 | 30 | 4.42 | 41 | 0 |
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| 1954 | 63.2 | 106 | 74.5 | 103 | 51.8 | 101 | 6.49 | 12 | 0 |
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| 1953 | 64.7 | 81 | 77.3 | 59 | 52.1 | 98 | 2.80 | 83 | 0 |
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| 1952 | 67.4 | 30 | 80.6 | 10 | 54.2 | 61 | 2.28 | 102 | 0 |
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| 1951 | 64.6 | 85 | 75 | 93 | 54.2 | 61 | 3.52 | 60 | 0 |
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| 1950 | 64.3 | 92 | 76.1 | 77 | 52.5 | 87 | 5.10 | 26 | 0 |
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| 1949 | 66.2 | 46 | 78.5 | 31 | 53.8 | 68 | 2.61 | 91 | 0 |
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| 1948 | 67.8 | 20 | 79.7 | 18 | 55.9 | 40 | 4.95 | 31 | 0 |
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| 1947 | 67.8 | 20 | 81.7 | 3 | 53.6 | 73 | 3.37 | 66 | 1 |
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| 1946 | 64.5 | 90 | 75.8 | 81 | 53.2 | 79 | 4.95 | 31 | 0 |
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| 1945 | 65.9 | 55 | 79.8 | 17 | 51.9 | 100 | 1.54 | 111 | 0 |
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| 1944 | 69.9 | 4 | 84.8 | 1 | 55 | 48 | 3.15 | 71 | 0 |
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| 1943 | 64.9 | 75 | 75.7 | 83 | 54.1 | 63 | 4.56 | 37 | 0 |
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| 1942 | 65.9 | 55 | 78.1 | 41 | 53.6 | 73 | 4.18 | 46 | 1 |
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| 1941 | 63.3 | 103 | 75.2 | 90 | 51.5 | 109 | 4.62 | 36 | 0 |
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| 1940 | 65.4 | 63 | 79 | 28 | 51.4 | 111 | 2.36 | 99 | 1 |
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| 1939 | 69.5 | 7 | 81.5 | 4 | 57.4 | 21 | 3.38 | 65 | 0 |
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| 1938 | 69.4 | 9 | 80.8 | 9 | 57.7 | 17 | 6.50 | 11 | 1 |
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| 1937 | 71.7 | 1 | 84.5 | 2 | 58.8 | 7 | 3.63 | 58 | 0 |
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| 1936 | 63.6 | 98 | 75.5 | 86 | 51.8 | 101 | 2.84 | 81 | 0 |
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| 1935 | 66.9 | 42 | 79.3 | 23 | 54.8 | 50 | 2.56 | 94 | 1 |
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| 1934 | 61.6 | 115 | 74.3 | 105 | 49 | 121 | 2.58 | 92 | 0 |
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| 1933 | 65.1 | 69 | 77.8 | 46 | 52.5 | 87 | 3.97 | 52 | 1 |
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| 1932 | 67.8 | 20 | 79.9 | 15 | 55.6 | 42 | 4.05 | 48 | 0 |
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| 1931 | 65.1 | 69 | 77.6 | 50 | 52.6 | 85 | 3.43 | 64 | 0 |
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| 1930 | 64.3 | 92 | 75.9 | 80 | 52.6 | 85 | 2.25 | 105 | 0 |
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| 1929 | 63.4 | 101 | 74.8 | 96 | 52.4 | 90 | | | 1 |
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| 1928 | 66 | 52 | 74.9 | 95 | 57 | 23 | 5.06 | 27 | 0 |
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| 1927 | 63.2 | 106 | 74.2 | 106 | 52.4 | 90 | 5.47 | 24 | 2 |
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| 1926 | 63.5 | 100 | 75.1 | 91 | 51.8 | 101 | 7.68 | 5 | 3 |
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| 1925 | | | | | 52.9 | 82 | 1.00 | 119 | 8 |
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| 1924 | 64.9 | 75 | 78 | 44 | 52.2 | 95 | 3.04 | 75 | 3 |
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| 1923 | | | | | 48.7 | 123 | 1.47 | 115 | 6 |
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| 1922 | 64.8 | 79 | 76.4 | 72 | 53.2 | 79 | 5.87 | 22 | 1 |
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| 1921 | 63.1 | 108 | 75.8 | 81 | 50.5 | 116 | 6.34 | 15 | 0 |
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| 1920 | 67.7 | 25 | 80.6 | 10 | 55.2 | 45 | 3.95 | 53 | 3 |
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| 1919 | 63 | 109 | 74.7 | 99 | 51.4 | 111 | 3.47 | 63 | 3 |
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| 1918 | | | | | 50.8 | 114 | 2.28 | 102 | 8 |
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| 1917 | 67.3 | 34 | 77.5 | 54 | 57 | 23 | 6.70 | 8 | 0 |
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| 1916 | 66.2 | 46 | 78.5 | 31 | 53.9 | 65 | 2.35 | 101 | 0 |
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| 1915 | 64.1 | 95 | 74 | 109 | 54.3 | 59 | 3.51 | 61 | 0 |
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| 1914 | 63.6 | 98 | 75.7 | 83 | 51.5 | 109 | 3.05 | 74 | 0 |
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| 1913 | 64.6 | 85 | 77.5 | 54 | 51.8 | 101 | 3.24 | 69 | 1 |
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| 1912 | 61.8 | 114 | 71.7 | 118 | 51.8 | 101 | 6.94 | 7 | 0 |
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| 1911 | 65.4 | 63 | 77.1 | 63 | 53.6 | 73 | 3.90 | 55 | 0 |
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| 1910 | 65.3 | 67 | 77.6 | 50 | 53.1 | 81 | 2.39 | 98 | 0 |
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| 1909 | 66.2 | 46 | 81.5 | 4 | 50.8 | 114 | 3.07 | 73 | 1 |
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| 1908 | 64.9 | 75 | 77.7 | 47 | 52 | 99 | 5.01 | 29 | 0 |
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| 1907 | 66 | 52 | 79 | 28 | 52.9 | 82 | 4.04 | 49 | 1 |
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| 1906 | | | | | 53.6 | 73 | 1.90 | 108 | 8 |
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| 1905 | 63.9 | 96 | 77.6 | 50 | 50.2 | 118 | 2.08 | 107 | 0 |
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| 1904 | 63.3 | 103 | 74.8 | 96 | 51.6 | 106 | 4.06 | 47 | 1 |
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| 1903 | 60.3 | 119 | 72.3 | 116 | 48.2 | 124 | 2.48 | 96 | 2 |
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