Every 1 September to 9 October in Santa Maria, CA from 1906 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 | 67.4 | 6 | 78.6 | 10 | 56.2 | 8 | trace | 77 | 0 |
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| 2025 | 65.9 | 13 | 75.2 | 52 | 56.6 | 6 | 0.73 | 12 | 0 |
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| 2024 | 64.3 | 24 | 74.9 | 59 | 53.6 | 18 | 0.04 | 55 | 0 |
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| 2023 | 64.3 | 24 | 74.9 | 59 | 53.8 | 15 | 0.12 | 41 | 0 |
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| 2022 | 66 | 12 | 76.1 | 33 | 55.9 | 9 | 1.84 | 4 | 0 |
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| 2021 | 62.9 | 57 | 72.9 | 95 | 52.8 | 28 | 0.01 | 66 | 0 |
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| 2020 | 66.3 | 11 | 77.9 | 14 | 54.6 | 12 | 0.00 | 100 | 0 |
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| 2019 | 66.5 | 10 | 79.9 | 5 | 53 | 23 | 0.00 | 100 | 0 |
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| 2018 | 64.6 | 20 | 75 | 58 | 54.2 | 13 | 0.35 | 27 | 0 |
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| 2017 | 67 | 9 | 80.1 | 4 | 53.9 | 14 | 0.47 | 21 | 0 |
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| 2016 | 63.7 | 37 | 76.5 | 28 | 50.9 | 66 | 0.00 | 100 | 0 |
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| 2015 | 70.7 | 1 | 83.4 | 1 | 58 | 3 | 0.14 | 36 | 0 |
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| 2014 | 68.8 | 4 | 80.4 | 3 | 57.2 | 5 | 0.00 | 100 | 0 |
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| 2013 | 65.3 | 17 | 77.8 | 17 | 52.7 | 29 | 0.01 | 66 | 0 |
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| 2012 | 63.6 | 43 | 74 | 77 | 53.3 | 22 | trace | 77 | 0 |
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| 2011 | 63.3 | 49 | 73.3 | 88 | 53.4 | 21 | 0.84 | 9 | 0 |
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| 2010 | 62.6 | 65 | 74 | 77 | 51.2 | 60 | 0.65 | 15 | 0 |
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| 2009 | 62.6 | 65 | 74.6 | 66 | 50.6 | 72 | 0.01 | 66 | 0 |
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| 2008 | 63.7 | 37 | 75.1 | 55 | 52.2 | 40 | 0.08 | 45 | 0 |
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| 2007 | 63.5 | 46 | 75.7 | 39 | 51.2 | 60 | 0.01 | 66 | 0 |
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| 2006 | 64.5 | 22 | 75.3 | 51 | 53.6 | 18 | 0.06 | 46 | 0 |
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| 2005 | 61.2 | 101 | 72.6 | 101 | 49.8 | 87 | 0.04 | 55 | 0 |
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| 2004 | 63.6 | 43 | 76.3 | 30 | 50.9 | 66 | 0.00 | 100 | 0 |
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| 2003 | 62.4 | 73 | 72.2 | 107 | 52.6 | 31 | 0.00 | 100 | 0 |
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| 2002 | 62.5 | 70 | 74.7 | 63 | 50.3 | 79 | trace | 77 | 0 |
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| 2001 | 62.1 | 79 | 71.8 | 110 | 52.4 | 37 | trace | 77 | 0 |
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| 2000 | 63.4 | 48 | 73.8 | 80 | 52.9 | 26 | trace | 77 | 0 |
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| 1999 | 61.5 | 93 | 71.7 | 111 | 51.2 | 60 | 0.14 | 36 | 0 |
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| 1998 | 63.7 | 37 | 74.3 | 71 | 53 | 23 | 0.36 | 25 | 0 |
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| 1997 | 67.3 | 7 | 79.9 | 5 | 54.7 | 11 | 0.70 | 13 | 0 |
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| 1996 | 62.2 | 76 | 72.7 | 99 | 51.6 | 50 | trace | 77 | 0 |
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| 1995 | 63.3 | 49 | 75.6 | 43 | 51.1 | 65 | trace | 77 | 0 |
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| 1994 | 63.3 | 49 | 74.2 | 73 | 52.4 | 37 | 0.53 | 20 | 0 |
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| 1993 | 62.6 | 65 | 73.6 | 84 | 51.6 | 50 | 0.01 | 66 | 0 |
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| 1992 | 64.1 | 28 | 75.7 | 39 | 52.5 | 35 | 0.00 | 100 | 0 |
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| 1991 | 63.3 | 49 | 73 | 93 | 53.7 | 17 | trace | 77 | 0 |
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| 1990 | 63.9 | 32 | 75.2 | 52 | 52.6 | 31 | 0.36 | 25 | 0 |
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| 1989 | 61.9 | 86 | 73.3 | 88 | 50.6 | 72 | 0.64 | 17 | 0 |
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| 1988 | 61.5 | 93 | 72.7 | 99 | 50.3 | 79 | 0.01 | 66 | 0 |
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| 1987 | 63.8 | 34 | 75.2 | 52 | 52.5 | 35 | trace | 77 | 0 |
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| 1986 | 61.4 | 97 | 73.1 | 92 | 49.8 | 87 | 0.67 | 14 | 0 |
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| 1985 | 64.2 | 26 | 76.1 | 33 | 52.4 | 37 | 0.03 | 59 | 0 |
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| 1984 | 69.8 | 2 | 83.1 | 2 | 56.5 | 7 | 0.02 | 61 | 0 |
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| 1983 | 69.4 | 3 | 79.7 | 7 | 59.1 | 1 | 1.02 | 8 | 0 |
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| 1982 | 64.2 | 26 | 76.8 | 24 | 51.6 | 50 | 0.38 | 24 | 0 |
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| 1981 | 62.5 | 70 | 72.8 | 97 | 52.1 | 41 | 0.10 | 43 | 0 |
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| 1980 | 63.1 | 54 | 73.7 | 83 | 52.6 | 31 | trace | 77 | 0 |
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| 1979 | 65 | 18 | 77.9 | 14 | 52.1 | 41 | 0.40 | 23 | 0 |
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| 1978 | 63.9 | 32 | 76.9 | 23 | 50.8 | 71 | 1.61 | 5 | 0 |
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| 1977 | 63.7 | 37 | 75.5 | 45 | 51.8 | 48 | 0.02 | 61 | 0 |
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| 1976 | 65.4 | 16 | 75.1 | 55 | 55.7 | 10 | 3.29 | 1 | 0 |
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| 1975 | 61.9 | 86 | 72.5 | 103 | 51.3 | 57 | 0.06 | 46 | 0 |
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| 1974 | 61.5 | 93 | 71.1 | 112 | 51.9 | 46 | 0.05 | 52 | 0 |
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| 1973 | 61.4 | 97 | 72 | 108 | 50.9 | 66 | 0.24 | 28 | 0 |
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| 1972 | 62.7 | 64 | 73.3 | 88 | 52.1 | 41 | trace | 77 | 0 |
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| 1971 | 63.5 | 46 | 77.2 | 21 | 49.8 | 87 | 0.04 | 55 | 0 |
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| 1970 | 60.9 | 103 | 74.9 | 59 | 47 | 108 | trace | 77 | 0 |
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| 1969 | 62.6 | 65 | 73.8 | 80 | 51.4 | 55 | 0.13 | 39 | 0 |
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| 1968 | 63.2 | 53 | 74.7 | 63 | 51.8 | 48 | trace | 77 | 0 |
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| 1967 | 64.4 | 23 | 76 | 36 | 52.9 | 26 | 0.18 | 32 | 0 |
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| 1966 | 62.9 | 57 | 73.8 | 80 | 52 | 45 | 0.17 | 33 | 0 |
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| 1965 | 62.8 | 59 | 75.4 | 49 | 50.3 | 79 | trace | 77 | 0 |
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| 1964 | 60.6 | 109 | 73.3 | 88 | 47.9 | 103 | trace | 77 | 0 |
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| 1963 | 64.6 | 20 | 75.6 | 43 | 53.5 | 20 | 0.42 | 22 | 0 |
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| 1962 | 60.2 | 113 | 70 | 114 | 50.4 | 76 | trace | 77 | 0 |
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| 1961 | 61.2 | 101 | 72.5 | 103 | 50 | 84 | 0.01 | 66 | 0 |
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| 1960 | 61.8 | 88 | 72 | 108 | 51.5 | 54 | 2.07 | 2 | 0 |
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| 1959 | 62.3 | 74 | 73.4 | 87 | 51.3 | 57 | 0.20 | 30 | 0 |
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| 1958 | 65.9 | 13 | 77.9 | 14 | 53.8 | 15 | 1.57 | 6 | 0 |
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| 1957 | 62.8 | 59 | 74.5 | 67 | 51.2 | 60 | 0.02 | 61 | 0 |
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| 1956 | 62.8 | 59 | 74.2 | 73 | 51.4 | 55 | 0.74 | 11 | 0 |
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| 1955 | 60.2 | 113 | 70.8 | 113 | 49.6 | 90 | trace | 77 | 0 |
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| 1954 | 60.3 | 112 | 72.8 | 97 | 47.8 | 104 | trace | 77 | 0 |
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| 1953 | 63.7 | 37 | 75.5 | 45 | 51.9 | 46 | 0.02 | 61 | 0 |
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| 1952 | 62.2 | 76 | 73.9 | 79 | 50.6 | 72 | trace | 77 | 0 |
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| 1951 | 63.8 | 34 | 75.5 | 45 | 52.1 | 41 | 0.06 | 46 | 0 |
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| 1950 | 62.6 | 65 | 74.7 | 63 | 50.4 | 76 | 0.05 | 52 | 0 |
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| 1949 | 60.8 | 106 | 72.9 | 95 | 48.6 | 98 | trace | 77 | 0 |
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| 1948 | 61.5 | 93 | 74.4 | 69 | 48.7 | 97 | trace | 77 | 0 |
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| 1947 | 62.3 | 74 | 74.1 | 76 | 50.5 | 75 | 0.06 | 46 | 0 |
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| 1946 | 63.1 | 54 | 76.3 | 30 | 50 | 84 | 0.19 | 31 | 0 |
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| 1945 | 63.7 | 37 | 76.5 | 28 | 50.9 | 66 | 0.00 | 100 | 0 |
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| 1944 | 61.4 | 97 | 73.5 | 86 | 49.2 | 94 | 0.06 | 46 | 0 |
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| 1943 | 62.8 | 59 | 74.3 | 71 | 51.2 | 60 | trace | 77 | 0 |
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| 1942 | 60.9 | 103 | 72.4 | 105 | 49.5 | 93 | 0.04 | 55 | 0 |
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| 1941 | 62.5 | 70 | 76.6 | 26 | 48.4 | 100 | 0.01 | 66 | 0 |
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| 1940 | 64 | 30 | 77.6 | 18 | 50.4 | 76 | 0.10 | 43 | 0 |
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| 1939 | 65.7 | 15 | 78.8 | 9 | 52.6 | 31 | 1.96 | 3 | 0 |
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| 1938 | 62.1 | 79 | 75.1 | 55 | 49.1 | 95 | 0.61 | 18 | 0 |
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| 1937 | 62 | 82 | 75.5 | 45 | 48.5 | 99 | 0.12 | 41 | 0 |
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| 1936 | 62.8 | 59 | 76 | 36 | 49.6 | 90 | 0.14 | 36 | 0 |
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| 1935 | 62 | 82 | 72.4 | 105 | 51.6 | 50 | 0.21 | 29 | 0 |
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| 1934 | 64 | 30 | 78 | 12 | 50.1 | 82 | 0.01 | 66 | 0 |
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| 1933 | 60.8 | 106 | 73.6 | 84 | 48.1 | 102 | 0.02 | 61 | 0 |
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| 1932 | 62 | 82 | 73 | 93 | 50.9 | 66 | 0.16 | 34 | 0 |
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| 1931 | 61.3 | 100 | 75.9 | 38 | 46.8 | 110 | 0.13 | 39 | 0 |
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| 1930 | 60.8 | 106 | 74.4 | 69 | 47.2 | 107 | 0.16 | 34 | 0 |
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| 1929 | 62.1 | 79 | 75.7 | 39 | 48.4 | 100 | 0.01 | 66 | 0 |
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| 1928 | 61.7 | 89 | 77.2 | 21 | 46.1 | 112 | 0.05 | 52 | 0 |
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| 1927 | 60.5 | 111 | 76.6 | 26 | 44.4 | 115 | 0.03 | 59 | 0 |
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| 1926 | 61.6 | 91 | 75.7 | 39 | 47.5 | 106 | 0.57 | 19 | 0 |
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| 1925 | 61.7 | 89 | 77.3 | 20 | 46.1 | 112 | | | 0 |
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| 1924 | 60.9 | 103 | 74.8 | 62 | 46.9 | 109 | | | 0 |
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| 1923 | 63.1 | 54 | 76.1 | 33 | 50 | 84 | | | 0 |
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| 1922 | 63.8 | 34 | 78 | 12 | 49.6 | 90 | | | 0 |
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| 1921 | 61.6 | 91 | 74.5 | 67 | 48.8 | 96 | | | 0 |
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| 1920 | 58.6 | 115 | 69.4 | 115 | 47.8 | 104 | | | 0 |
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| 1919 | 60.6 | 109 | 76.2 | 32 | 45 | 114 | | | 0 |
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| 1918 | 62.2 | 76 | 77.6 | 18 | 46.7 | 111 | | | 0 |
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| 1917 | 64.8 | 19 | 79.5 | 8 | 50.1 | 82 | | | 0 |
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| 1912 | | | | | | | | | 9 |
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| 1911 | 68.6 | 5 | 78.6 | 10 | 58.6 | 2 | trace | 77 | 0 |
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| 1910 | 67.1 | 8 | 76.8 | 24 | 57.4 | 4 | 0.65 | 15 | 0 |
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| 1909 | 63.6 | 43 | 74.2 | 73 | 53 | 23 | 0.75 | 10 | 3 |
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| 1908 | | | | | | | 1.03 | 7 | 5 |
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| 1907 | 62 | 82 | 72.6 | 101 | 51.3 | 57 | 0.06 | 46 | 0 |
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| 1906 | 64.1 | 28 | 75.4 | 49 | 52.7 | 29 | 0.01 | 66 | 0 |
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