Every May in El Centro, CA from 1926 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 | 79.5 | 25 | 95.1 | 37 | 64 | 15 | 0.00 | 37 | 0 |
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| 2024 | 79.3 | 30 | 94.8 | 40 | 63.7 | 20 | 0.00 | 37 | 0 |
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| 2023 | 77.5 | 54 | 92.6 | 68 | 62.4 | 36 | 0.00 | 37 | 0 |
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| 2022 | 79.5 | 25 | 96 | 24 | 63 | 30 | 0.00 | 37 | 0 |
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| 2021 | 78.7 | 42 | 95.7 | 31 | 61.8 | 45 | 0.00 | 37 | 0 |
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| 2020 | 82.6 | 4 | 98.5 | 8 | 66.7 | 3 | 0.00 | 37 | 0 |
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| 2019 | 74.2 | 89 | 87.7 | 96 | 60.7 | 65 | 0.01 | 14 | 1 |
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| 2018 | 78.9 | 36 | 94.7 | 41 | 63.1 | 29 | 0.00 | 37 | 0 |
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| 2017 | 78.8 | 39 | 94.5 | 45 | 63.2 | 26 | 0.06 | 8 | 0 |
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| 2016 | 78 | 46 | 92.8 | 63 | 63.2 | 26 | trace | 17 | 0 |
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| 2015 | 74.9 | 86 | 88.4 | 92 | 61.4 | 49 | 0.62 | 2 | 0 |
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| 2014 | 79.5 | 25 | 96 | 24 | 63 | 30 | 0.00 | 37 | 0 |
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| 2013 | 80.3 | 16 | 95.9 | 27 | 64.6 | 10 | trace | 17 | 0 |
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| 2012 | 80.9 | 12 | 98.6 | 7 | 63.2 | 26 | 0.00 | 37 | 0 |
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| 2011 | 73.8 | 90 | 90 | 88 | 57.6 | 94 | trace | 17 | 0 |
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| 2010 | 75 | 82 | 91.3 | 82 | 58.6 | 86 | trace | 17 | 0 |
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| 2009 | 84.4 | 1 | 101.1 | 1 | 67.6 | 1 | trace | 17 | 0 |
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| 2008 | 75.7 | 78 | 91.6 | 78 | 59.7 | 78 | trace | 17 | 0 |
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| 2007 | 80.2 | 17 | 96.7 | 18 | 63.6 | 21 | 0.00 | 37 | 0 |
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| 2006 | 81 | 11 | 98 | 12 | 64 | 15 | 0.03 | 10 | 0 |
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| 2005 | 79.6 | 23 | 95.8 | 30 | 63.4 | 24 | 0.00 | 37 | 0 |
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| 2004 | 78.9 | 36 | 95.9 | 27 | 61.9 | 43 | 0.00 | 37 | 0 |
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| 2003 | 77.6 | 50 | 93.9 | 54 | 61.4 | 49 | trace | 17 | 0 |
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| 2002 | 77.6 | 50 | 94.6 | 43 | 60.7 | 65 | 0.00 | 37 | 0 |
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| 2001 | 82.6 | 4 | 100.7 | 2 | 64.6 | 10 | trace | 17 | 1 |
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| 2000 | 81.9 | 8 | 97.1 | 17 | 66.6 | 4 | 0.00 | 37 | 0 |
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| 1999 | 76.3 | 70 | 92.3 | 74 | 60.3 | 71 | 0.00 | 37 | 0 |
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| 1998 | 72.9 | 95 | 87.6 | 97 | 58.1 | 91 | 0.00 | 37 | 0 |
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| 1997 | 82.5 | 7 | 98.8 | 6 | 66.2 | 5 | 0.08 | 6 | 0 |
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| 1996 | 80.7 | 13 | 96.7 | 18 | 64.6 | 10 | 0.00 | 37 | 0 |
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| 1995 | 73.1 | 94 | 87.8 | 95 | 58.5 | 87 | 0.00 | 37 | 0 |
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| 1994 | 75.9 | 74 | 91.8 | 77 | 60 | 75 | 0.72 | 1 | 0 |
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| 1993 | 79.1 | 33 | 95.2 | 36 | 63 | 30 | 0.03 | 10 | 0 |
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| 1992 | 79.8 | 21 | 94.6 | 43 | 65 | 9 | 0.17 | 4 | 0 |
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| 1991 | 75 | 82 | 90.6 | 87 | 59.5 | 79 | 0.00 | 37 | 0 |
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| 1990 | 76.9 | 64 | 92.5 | 69 | 61.3 | 52 | trace | 17 | 0 |
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| 1989 | 79.4 | 29 | 95 | 39 | 63.8 | 19 | 0.00 | 37 | 0 |
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| 1988 | 77.6 | 50 | 92.7 | 64 | 61.9 | 43 | 0.00 | 37 | 1 |
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| 1987 | 78.8 | 39 | 93.8 | 55 | 64.1 | 14 | trace | 17 | 1 |
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| 1986 | 79.7 | 22 | 96.1 | 23 | 63.4 | 24 | 0.00 | 37 | 0 |
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| 1985 | 79.2 | 31 | 94.5 | 45 | 63.9 | 17 | 0.00 | 37 | 0 |
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| 1984 | 83 | 2 | 100.1 | 3 | 65.9 | 7 | 0.00 | 37 | 0 |
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| 1983 | 78.9 | 36 | 94.7 | 41 | 63 | 30 | 0.00 | 37 | 0 |
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| 1982 | 76.5 | 68 | 92 | 75 | 61.1 | 56 | trace | 17 | 0 |
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| 1981 | 75.9 | 74 | 91 | 83 | 60.8 | 63 | 0.07 | 7 | 0 |
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| 1980 | 71.7 | 97 | 86.6 | 99 | 56.7 | 97 | trace | 17 | 0 |
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| 1979 | 75 | 82 | 89.9 | 89 | 60.1 | 74 | 0.05 | 9 | 0 |
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| 1978 | 75.9 | 74 | 91.9 | 76 | 59.8 | 77 | 0.00 | 37 | 0 |
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| 1977 | 69.4 | 99 | 83.4 | 100 | 55.5 | 99 | trace | 17 | 0 |
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| 1976 | 77.5 | 54 | 93.1 | 61 | 61.8 | 45 | 0.02 | 12 | 0 |
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| 1975 | 74.3 | 88 | 90.8 | 85 | 57.7 | 93 | 0.00 | 37 | 0 |
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| 1974 | 77.7 | 48 | 94.5 | 45 | 61 | 58 | 0.00 | 37 | 0 |
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| 1973 | 79 | 35 | 96 | 24 | 62 | 42 | 0.00 | 37 | 0 |
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| 1972 | 77.5 | 54 | 93.7 | 56 | 61.3 | 52 | 0.00 | 37 | 0 |
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| 1971 | 73.6 | 92 | 88.9 | 90 | 58.2 | 90 | 0.00 | 37 | 0 |
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| 1970 | 78.8 | 39 | 96.7 | 18 | 60.9 | 61 | 0.00 | 37 | 0 |
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| 1969 | 80 | 19 | 97.5 | 14 | 62.5 | 35 | trace | 17 | 0 |
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| 1968 | 78.2 | 45 | 95.3 | 35 | 61 | 58 | 0.00 | 37 | 0 |
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| 1967 | 76.7 | 66 | 94 | 53 | 59.5 | 79 | 0.00 | 37 | 0 |
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| 1966 | 80.7 | 13 | 97.4 | 16 | 63.9 | 17 | 0.00 | 37 | 0 |
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| 1965 | 75.9 | 74 | 92.7 | 64 | 59 | 85 | 0.00 | 37 | 0 |
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| 1964 | 75.5 | 79 | 92.5 | 69 | 58.5 | 87 | trace | 17 | 0 |
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| 1963 | 79.5 | 25 | 96.6 | 21 | 62.4 | 36 | trace | 17 | 0 |
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| 1962 | 74.6 | 87 | 91.5 | 80 | 57.6 | 94 | 0.00 | 37 | 0 |
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| 1961 | 76 | 73 | 91.6 | 78 | 60.4 | 69 | 0.00 | 37 | 0 |
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| 1960 | 77.7 | 48 | 93.3 | 59 | 62.1 | 41 | 0.01 | 14 | 0 |
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| 1959 | 76.1 | 72 | 91.4 | 81 | 60.8 | 63 | 0.00 | 37 | 0 |
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| 1958 | 82.6 | 4 | 98.4 | 10 | 66.8 | 2 | 0.13 | 5 | 0 |
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| 1957 | 73.8 | 90 | 88.4 | 92 | 59.3 | 82 | 0.00 | 37 | 0 |
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| 1956 | 77.3 | 59 | 94.2 | 52 | 60.4 | 69 | 0.01 | 14 | 0 |
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| 1955 | 75 | 82 | 90.9 | 84 | 59.2 | 83 | 0.00 | 37 | 0 |
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| 1954 | 78.4 | 44 | 95.5 | 34 | 61.4 | 49 | 0.00 | 37 | 2 |
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| 1953 | 72.5 | 96 | 88.1 | 94 | 56.9 | 96 | 0.00 | 37 | 0 |
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| 1952 | 81.6 | 10 | 98.9 | 5 | 64.3 | 13 | 0.00 | 37 | 0 |
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| 1951 | 77.4 | 58 | 93.6 | 57 | 61.2 | 55 | 0.00 | 37 | 0 |
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| 1950 | 75.5 | 79 | 92.4 | 71 | 58.5 | 87 | trace | 17 | 0 |
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| 1949 | 76.8 | 65 | 92.7 | 64 | 60.9 | 61 | 0.00 | 37 | 0 |
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| 1948 | 77.3 | 59 | 94.3 | 50 | 60.3 | 71 | 0.00 | 37 | 0 |
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| 1947 | 80.1 | 18 | 98 | 12 | 62.4 | 36 | 0.00 | 37 | 3 |
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| 1946 | 77.1 | 62 | 93 | 62 | 61.3 | 52 | 0.00 | 37 | 1 |
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| 1945 | 77.2 | 61 | 92.7 | 64 | 61.6 | 47 | 0.00 | 37 | 0 |
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| 1944 | 76.3 | 70 | 92.4 | 71 | 60.2 | 73 | 0.00 | 37 | 0 |
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| 1943 | 79.1 | 33 | 97.5 | 14 | 60.7 | 65 | 0.00 | 37 | 0 |
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| 1942 | 76.7 | 66 | 93.4 | 58 | 60 | 75 | 0.00 | 37 | 0 |
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| 1941 | 79.6 | 23 | 95.7 | 31 | 63.5 | 23 | | | 0 |
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| 1940 | 82.8 | 3 | 99.2 | 4 | 66.2 | 5 | 0.00 | 37 | 1 |
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| 1939 | 79.2 | 31 | 95.9 | 27 | 62.4 | 36 | 0.00 | 37 | 0 |
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| 1938 | 77.9 | 47 | 94.3 | 50 | 61.5 | 48 | | | 0 |
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| 1937 | 77.1 | 62 | 93.2 | 60 | 61.1 | 56 | trace | 17 | 0 |
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| 1936 | 80.5 | 15 | 98.4 | 10 | 62.7 | 34 | | | 0 |
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| 1935 | 75.3 | 81 | 90.8 | 85 | 59.2 | 83 | trace | 17 | 1 |
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| 1934 | 81.8 | 9 | 98.5 | 8 | 65.4 | 8 | | | 1 |
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| 1933 | 73.4 | 93 | 88.6 | 91 | 58.1 | 91 | 0.02 | 12 | 0 |
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| 1932 | 76.4 | 69 | 92.4 | 71 | 60.5 | 68 | 0.00 | 37 | 0 |
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| 1931 | 80 | 19 | 96.3 | 22 | 63.6 | 21 | | | 0 |
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| 1930 | 71.7 | 97 | 87.5 | 98 | 55.9 | 98 | 0.41 | 3 | 0 |
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| 1929 | 77.5 | 54 | 95.7 | 31 | 59.5 | 79 | trace | 17 | 2 |
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| 1928 | 77.6 | 50 | 94.4 | 48 | 61 | 58 | | | 3 |
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| 1927 | 78.7 | 42 | 95.1 | 37 | 62.3 | 40 | 0.00 | 37 | 0 |
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| 1926 | | | 94.4 | 48 | | | | | 19 |
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