Every May in San Angelo, TX from 1908 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 | 71.4 | 91 | 83.3 | 95 | 59.4 | 81 | 2.45 | 39 | 2 |
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| 2025 | 74.3 | 46 | 88.1 | 37 | 60.5 | 66 | 5.49 | 8 | 0 |
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| 2024 | 79.3 | 5 | 92.8 | 5 | 65.8 | 6 | 2.34 | 42 | 0 |
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| 2023 | 76.4 | 20 | 88.6 | 31 | 64.2 | 14 | 4.19 | 19 | 0 |
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| 2022 | 81.6 | 1 | 96.8 | 1 | 66.5 | 3 | 1.51 | 60 | 0 |
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| 2021 | 72.7 | 76 | 84.3 | 87 | 61.1 | 54 | 1.43 | 62 | 0 |
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| 2020 | 77 | 14 | 92.3 | 8 | 61.6 | 45 | 2.22 | 43 | 0 |
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| 2019 | 71.5 | 88 | 82.2 | 103 | 60.9 | 56 | 5.37 | 9 | 0 |
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| 2018 | 79.1 | 6 | 92.2 | 10 | 66 | 5 | 6.03 | 7 | 0 |
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| 2017 | 73.4 | 64 | 87.8 | 46 | 58.9 | 88 | 2.06 | 48 | 0 |
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| 2016 | 73 | 73 | 85.3 | 75 | 60.7 | 61 | 6.40 | 6 | 0 |
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| 2015 | 73.3 | 67 | 84.3 | 87 | 62.3 | 35 | 9.12 | 2 | 0 |
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| 2014 | 75 | 35 | 89.7 | 20 | 60.4 | 69 | 7.75 | 3 | 0 |
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| 2013 | 74.9 | 37 | 88.3 | 36 | 61.5 | 46 | 3.57 | 27 | 0 |
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| 2012 | 77 | 14 | 88.8 | 27 | 65.2 | 8 | 4.50 | 16 | 0 |
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| 2011 | 77.1 | 12 | 92.5 | 6 | 61.8 | 43 | 1.36 | 66 | 0 |
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| 2010 | 75.9 | 27 | 88.8 | 27 | 62.9 | 25 | 1.42 | 64 | 0 |
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| 2009 | 74.7 | 41 | 88 | 41 | 61.5 | 46 | 0.12 | 81 | 0 |
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| 2008 | 76.1 | 23 | 91 | 14 | 61.2 | 51 | 1.01 | 71 | 0 |
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| 2007 | 70.7 | 100 | 80.7 | 112 | 60.8 | 58 | 4.74 | 13 | 0 |
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| 2006 | 77.4 | 10 | 92.3 | 8 | 62.5 | 32 | 1.90 | 52 | 0 |
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| 2005 | 72.2 | 81 | 83.9 | 91 | 60.5 | 66 | 4.43 | 17 | 0 |
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| 2004 | 74.5 | 42 | 86.9 | 54 | 62.1 | 39 | 0.86 | 72 | 0 |
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| 2003 | 77.1 | 12 | 91.4 | 13 | 62.7 | 27 | 1.07 | 69 | 0 |
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| 2002 | 76.3 | 22 | 89.4 | 25 | 63.3 | 20 | 0.46 | 78 | 0 |
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| 2001 | 75.6 | 31 | 88.1 | 37 | 63.1 | 24 | 2.51 | 37 | 0 |
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| 2000 | 81.1 | 2 | 93.9 | 3 | 68.3 | 1 | 2.21 | 44 | 0 |
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| 1999 | 74.8 | 39 | 86.9 | 54 | 62.7 | 27 | 1.55 | 59 | 0 |
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| 1998 | 79.9 | 4 | 95.9 | 2 | 64 | 15 | 1.75 | 57 | 0 |
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| 1997 | 69.6 | 106 | 81.8 | 107 | 57.4 | 106 | 2.69 | 34 | 0 |
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| 1996 | 80.6 | 3 | 93.8 | 4 | 67.5 | 2 | 2.08 | 47 | 0 |
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| 1995 | 73.9 | 54 | 87.1 | 53 | 60.6 | 64 | 4.39 | 18 | 0 |
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| 1994 | 73.3 | 67 | 85.1 | 77 | 61.5 | 46 | 3.29 | 29 | 0 |
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| 1993 | 72.4 | 79 | 86.5 | 61 | 58.3 | 97 | 3.87 | 24 | 0 |
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| 1992 | 70.5 | 103 | 82.1 | 105 | 58.8 | 90 | 1.49 | 61 | 0 |
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| 1991 | 76.5 | 19 | 89.8 | 18 | 63.3 | 20 | 1.15 | 67 | 0 |
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| 1990 | 73.2 | 71 | 85.7 | 72 | 60.6 | 64 | 4.02 | 22 | 0 |
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| 1989 | 78.1 | 8 | 91.6 | 12 | 64.7 | 11 | 1.06 | 70 | 0 |
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| 1988 | 70.7 | 100 | 84.2 | 89 | 57.2 | 107 | 3.31 | 28 | 0 |
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| 1987 | 71 | 96 | 82.6 | 98 | 59.5 | 78 | 11.24 | 1 | 0 |
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| 1986 | 73.7 | 56 | 85.4 | 74 | 61.9 | 42 | 7.28 | 4 | 0 |
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| 1985 | 75 | 35 | 88 | 41 | 62.1 | 39 | 4.78 | 12 | 0 |
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| 1984 | 76 | 24 | 89.7 | 20 | 62.3 | 35 | 0.54 | 75 | 0 |
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| 1983 | 72.5 | 77 | 86.6 | 59 | 58.3 | 97 | 0.52 | 76 | 0 |
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| 1982 | 69.6 | 106 | 80.9 | 110 | 58.3 | 97 | 4.17 | 20 | 0 |
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| 1981 | 70.7 | 100 | 82.2 | 103 | 59.1 | 85 | 4.70 | 15 | 0 |
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| 1980 | 71.8 | 86 | 82.7 | 97 | 60.9 | 56 | 4.72 | 14 | 0 |
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| 1979 | 72.1 | 82 | 84.5 | 84 | 59.7 | 74 | 0.67 | 74 | 0 |
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| 1978 | 75.7 | 29 | 88.1 | 37 | 63.3 | 20 | 1.83 | 53 | 0 |
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| 1977 | 75.5 | 32 | 84.5 | 84 | 66.4 | 4 | 2.14 | 45 | 0 |
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| 1976 | 68.8 | 110 | 80.7 | 112 | 56.9 | 110 | 1.77 | 55 | 0 |
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| 1975 | 71.8 | 86 | 83 | 96 | 60.5 | 66 | 5.26 | 10 | 0 |
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| 1974 | 76 | 24 | 88 | 41 | 63.9 | 16 | 2.43 | 40 | 0 |
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| 1973 | 73 | 73 | 88 | 41 | 57.9 | 103 | 1.43 | 62 | 0 |
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| 1972 | 70.8 | 98 | 82.4 | 100 | 59.2 | 84 | 4.89 | 11 | 0 |
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| 1971 | 75.1 | 34 | 88.8 | 27 | 61.5 | 46 | 1.42 | 64 | 0 |
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| 1970 | 71.3 | 94 | 85.5 | 73 | 57.1 | 108 | 1.83 | 53 | 0 |
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| 1969 | 71.4 | 91 | 84.6 | 82 | 58.1 | 101 | 3.20 | 30 | 0 |
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| 1968 | 74.5 | 42 | 86.9 | 54 | 62.1 | 39 | 1.98 | 50 | 0 |
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| 1967 | 74.4 | 44 | 89.6 | 24 | 59.1 | 85 | 1.91 | 51 | 0 |
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| 1966 | 73.6 | 59 | 84.7 | 80 | 62.5 | 32 | 2.10 | 46 | 0 |
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| 1965 | 74 | 52 | 84.7 | 80 | 63.3 | 20 | 3.65 | 26 | 0 |
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| 1964 | 77.3 | 11 | 89.7 | 20 | 64.9 | 10 | 0.41 | 79 | 0 |
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| 1963 | 77 | 14 | 88.5 | 34 | 65.4 | 7 | 3.89 | 23 | 0 |
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| 1962 | 78.4 | 7 | 92.1 | 11 | 64.6 | 12 | 0.26 | 80 | 0 |
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| 1961 | 76.8 | 17 | 89.9 | 17 | 63.6 | 18 | 2.63 | 35 | 0 |
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| 1960 | 73.5 | 63 | 88.8 | 27 | 58.2 | 100 | 2.05 | 49 | 0 |
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| 1959 | 74.9 | 37 | 86.5 | 61 | 63.4 | 19 | 1.59 | 58 | 0 |
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| 1958 | 72 | 85 | 84.4 | 86 | 59.7 | 74 | 2.87 | 32 | 0 |
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| 1957 | 69.4 | 109 | 79.2 | 114 | 59.5 | 78 | 7.10 | 5 | 0 |
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| 1956 | 76.8 | 17 | 88.6 | 31 | 65.1 | 9 | 0.48 | 77 | 0 |
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| 1955 | 75.7 | 29 | 88.6 | 31 | 62.9 | 25 | 2.84 | 33 | 0 |
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| 1954 | 70.9 | 97 | 82.3 | 101 | 59.4 | 81 | 4.14 | 21 | 0 |
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| 1953 | 73.4 | 64 | 86.4 | 63 | 60.4 | 69 | 2.50 | 38 | 0 |
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| 1952 | 72.4 | 79 | 85 | 78 | 59.8 | 73 | 2.57 | 36 | 0 |
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| 1951 | 75.2 | 33 | 88.1 | 37 | 62.4 | 34 | 1.11 | 68 | 0 |
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| 1950 | 73.7 | 56 | 85.3 | 75 | 62.2 | 38 | 3.70 | 25 | 0 |
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| 1949 | 73.6 | 59 | 83.4 | 94 | 63.8 | 17 | 2.42 | 41 | 0 |
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| 1948 | 76 | 24 | 87.6 | 48 | 64.4 | 13 | 1.77 | 55 | 0 |
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| 1947 | 71.4 | 91 | 84 | 90 | 58.8 | 90 | 3.06 | 31 | 0 |
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| 1946 | 73.7 | 56 | 86.2 | 66 | 61.2 | 51 | 0.12 | 81 | 0 |
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| 1945 | 73.6 | 59 | 89.8 | 18 | 57.5 | 105 | 0.78 | 73 | 0 |
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| 1944 | | | 86.8 | 57 | | | | | 4 |
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| 1943 | 72.5 | 77 | 86.1 | 68 | 59 | 87 | | | 0 |
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| 1942 | 72.1 | 82 | 86.1 | 68 | 58.1 | 101 | | | 0 |
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| 1940 | 73 | 73 | 85.9 | 70 | 60.2 | 71 | | | 0 |
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| 1939 | 75.8 | 28 | 89 | 26 | 62.6 | 29 | | | 0 |
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| 1938 | 73.3 | 67 | 87.2 | 52 | 59.5 | 78 | | | 0 |
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| 1937 | 74.3 | 46 | 87.5 | 49 | 61.1 | 54 | | | 0 |
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| 1936 | 73.8 | 55 | 85 | 78 | 62.6 | 29 | | | 0 |
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| 1935 | 70.5 | 103 | 81.6 | 108 | 59.4 | 81 | | | 0 |
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| 1934 | 74.3 | 46 | 87.8 | 46 | 60.7 | 61 | | | 0 |
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| 1933 | 74.8 | 39 | 88.4 | 35 | 61.2 | 51 | | | 0 |
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| 1932 | 71.1 | 95 | 82.5 | 99 | 59.6 | 77 | | | 0 |
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| 1931 | 68.7 | 111 | 81.3 | 109 | 56 | 111 | | | 1 |
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| 1930 | 74.3 | 46 | 86.3 | 65 | 62.3 | 35 | | | 1 |
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| 1929 | 71.5 | 88 | 84.6 | 82 | 58.4 | 96 | | | 0 |
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| 1928 | 74 | 52 | 87.3 | 51 | 60.8 | 58 | | | 2 |
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| 1927 | 78 | 9 | 92.4 | 7 | 62.6 | 29 | | | 3 |
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| 1926 | | | | | | | | | 4 |
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| 1925 | 73.3 | 67 | 86.6 | 59 | 59.9 | 72 | | | 0 |
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| 1924 | 68.4 | 112 | 82.3 | 101 | 54.5 | 114 | | | 2 |
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| 1923 | 72.1 | 82 | 86.4 | 63 | 57.9 | 103 | | | 0 |
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| 1922 | 69.6 | 106 | 83.7 | 93 | 55.5 | 113 | | | 0 |
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| 1921 | 73.4 | 64 | 86.2 | 66 | 60.7 | 61 | | | 0 |
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| 1920 | 73.2 | 71 | 88 | 41 | 58.5 | 94 | | | 0 |
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| 1919 | 70.5 | 103 | 83.9 | 91 | 57.1 | 108 | | | 0 |
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| 1917 | 67.6 | 113 | 80.9 | 110 | 54.3 | 115 | | | 0 |
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| 1916 | | | | | 58.7 | 92 | | | 5 |
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| 1915 | 70.8 | 98 | 85.9 | 70 | 55.7 | 112 | | | 0 |
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| 1914 | 71.5 | 88 | 82.1 | 105 | 60.8 | 58 | | | 0 |
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| 1913 | | | | | 58.9 | 88 | | | 9 |
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| 1912 | 76.4 | 20 | 91 | 14 | 61.8 | 43 | | | 0 |
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| 1911 | 74.1 | 50 | 86.7 | 58 | 61.5 | 46 | | | 0 |
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| 1910 | 73.6 | 59 | 87.5 | 49 | 59.7 | 74 | | | 0 |
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| 1909 | 74.1 | 50 | 89.7 | 20 | 58.5 | 94 | | | 0 |
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| 1908 | 74.4 | 44 | 90.1 | 16 | 58.6 | 93 | | | 2 |
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