Every spring in Lancaster, CA from 1945 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 | 63.3 | 4 | 79.3 | 1 | 47.3 | 15 | 0.14 | 73 | 0 |
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| 2025 | 60.6 | 27 | 74.4 | 31 | 46.7 | 19 | 1.70 | 24 | 0 |
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| 2024 | 59.2 | 40 | 72.8 | 48 | 45.6 | 30 | 2.15 | 16 | 0 |
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| 2023 | 58.6 | 45 | 71.8 | 53 | 45.4 | 33 | 1.28 | 33 | 0 |
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| 2022 | 61.6 | 13 | 77.1 | 9 | 46.1 | 23 | 0.41 | 58 | 1 |
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| 2021 | 61.7 | 11 | 76.8 | 12 | 46.6 | 20 | 0.14 | 73 | 0 |
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| 2020 | 60.1 | 35 | 72.9 | 47 | 47.2 | 16 | 5.42 | 2 | 0 |
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| 2019 | 57.7 | 57 | 70.9 | 64 | 44.6 | 49 | 1.66 | 26 | 0 |
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| 2018 | 60.5 | 29 | 74.1 | 36 | 47 | 18 | 1.62 | 27 | 0 |
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| 2017 | 61.3 | 17 | 76.7 | 13 | 45.8 | 27 | 0.17 | 68 | 0 |
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| 2016 | 62 | 9 | 76.1 | 21 | 47.8 | 9 | 0.77 | 50 | 0 |
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| 2015 | 60.3 | 31 | 75.4 | 22 | 45.2 | 38 | 0.33 | 61 | 0 |
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| 2014 | 61.5 | 15 | 76.5 | 18 | 46.5 | 22 | 0.45 | 57 | 0 |
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| 2013 | 63.8 | 2 | 78.6 | 4 | 49 | 4 | 0.50 | 56 | 0 |
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| 2012 | 61.1 | 20 | 76.4 | 19 | 45.8 | 27 | 1.29 | 32 | 0 |
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| 2011 | 57.6 | 59 | 71 | 63 | 44.1 | 56 | 2.27 | 15 | 0 |
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| 2010 | 55.8 | 72 | 69.6 | 70 | 42 | 73 | 1.10 | 39 | 0 |
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| 2009 | 61 | 22 | 76.3 | 20 | 45.7 | 29 | 0.15 | 70 | 0 |
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| 2008 | 59.6 | 39 | 74.5 | 29 | 44.6 | 49 | 0.08 | 75 | 0 |
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| 2007 | 63.1 | 5 | 78.8 | 3 | 47.4 | 13 | 0.19 | 67 | 0 |
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| 2006 | 58.4 | 47 | 71.8 | 53 | 45 | 41 | 1.72 | 23 | 0 |
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| 2005 | 59 | 41 | 73.4 | 42 | 44.7 | 46 | 1.79 | 21 | 0 |
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| 2004 | 63.7 | 3 | 79.1 | 2 | 48.4 | 5 | 0.28 | 65 | 0 |
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| 2003 | 58.4 | 47 | 71.8 | 53 | 45 | 41 | 1.94 | 19 | 0 |
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| 2002 | 60 | 36 | 75.2 | 24 | 44.8 | 44 | 0.32 | 62 | 0 |
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| 2001 | 62.6 | 7 | 77.1 | 9 | 48.2 | 7 | 1.24 | 34 | 0 |
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| 2000 | 61.7 | 11 | 75.1 | 25 | 48.3 | 6 | 2.94 | 11 | 0 |
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| 1999 | 57.3 | 61 | 69.5 | 71 | 45 | 41 | 0.89 | 43 | 2 |
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| 1998 | 54.5 | 80 | 65.9 | 80 | 42.9 | 64 | 4.13 | 7 | 4 |
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| 1997 | 64.2 | 1 | 78.5 | 5 | 49.9 | 1 | trace | 79 | 0 |
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| 1996 | 61.6 | 13 | 75 | 26 | 48.2 | 7 | 0.15 | 70 | 0 |
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| 1995 | 56.5 | 68 | 68.1 | 74 | 44.8 | 44 | 2.91 | 12 | 0 |
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| 1994 | 60.6 | 27 | 73.6 | 41 | 47.5 | 12 | 1.13 | 38 | 0 |
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| 1993 | 60.9 | 24 | 73.9 | 37 | 47.8 | 9 | 1.21 | 35 | 0 |
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| 1992 | 62 | 9 | 74.3 | 34 | 49.8 | 2 | 2.70 | 13 | 2 |
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| 1991 | 56 | 70 | 67.4 | 78 | 44.5 | 52 | 4.16 | 6 | 8 |
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| 1990 | 60.5 | 29 | 73.2 | 43 | 47.8 | 9 | 0.32 | 62 | 0 |
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| 1989 | 63 | 6 | 76.7 | 13 | 49.2 | 3 | 0.30 | 64 | 0 |
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| 1988 | 58.3 | 49 | 73.2 | 43 | 43.3 | 61 | 0.84 | 47 | 0 |
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| 1987 | 60.3 | 31 | 74.8 | 28 | 45.9 | 24 | 0.90 | 42 | 0 |
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| 1986 | 60.3 | 31 | 73.9 | 37 | 46.6 | 20 | 1.73 | 22 | 0 |
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| 1985 | 58.9 | 42 | 73.1 | 46 | 44.7 | 46 | 0.15 | 70 | 0 |
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| 1984 | 61.3 | 17 | 75.3 | 23 | 47.4 | 13 | 0.08 | 75 | 0 |
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| 1983 | 56.2 | 69 | 67.2 | 79 | 45.2 | 38 | 6.25 | 1 | 0 |
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| 1982 | 56.9 | 65 | 68.6 | 73 | 45.2 | 38 | 4.77 | 3 | 0 |
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| 1981 | 59.7 | 38 | 72.3 | 50 | 47.1 | 17 | 3.17 | 9 | 0 |
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| 1980 | 55.5 | 76 | 67.7 | 76 | 43.4 | 60 | 1.96 | 18 | 0 |
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| 1979 | 58.3 | 49 | 71.1 | 62 | 45.5 | 32 | 3.09 | 10 | 0 |
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| 1978 | 57.9 | 55 | 70.2 | 66 | 45.6 | 30 | 3.43 | 8 | 0 |
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| 1977 | 55 | 79 | 67.8 | 75 | 42.1 | 71 | 1.88 | 20 | 0 |
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| 1976 | 57.8 | 56 | 71.7 | 56 | 43.9 | 57 | 1.14 | 37 | 0 |
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| 1975 | 55.1 | 78 | 67.6 | 77 | 42.5 | 68 | 1.67 | 25 | 0 |
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| 1974 | | | | | | | | | 46 |
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| 1972 | 61.4 | 16 | 78.4 | 7 | 44.4 | 53 | 0.05 | 78 | 0 |
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| 1971 | 55.8 | 72 | 71.7 | 56 | 39.8 | 80 | 0.87 | 46 | 0 |
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| 1970 | 57.4 | 60 | 73.2 | 43 | 41.5 | 76 | 0.68 | 55 | 0 |
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| 1969 | 58.5 | 46 | 74.4 | 31 | 42.7 | 66 | 0.73 | 52 | 0 |
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| 1968 | 58.3 | 49 | 74.2 | 35 | 42.4 | 69 | 0.91 | 41 | 0 |
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| 1967 | 55.2 | 77 | 68.9 | 72 | 41.4 | 77 | 2.12 | 17 | 0 |
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| 1966 | 60.9 | 24 | 78.1 | 8 | 43.8 | 59 | 0.16 | 69 | 0 |
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| 1965 | 57.2 | 62 | 70.2 | 66 | 44.3 | 55 | 2.40 | 14 | 0 |
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| 1964 | 55.9 | 71 | 69.8 | 69 | 41.9 | 74 | 0.95 | 40 | 0 |
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| 1963 | 56.6 | 67 | 69.9 | 68 | 43.3 | 61 | 1.36 | 30 | 0 |
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| 1962 | 57.7 | 57 | 72.6 | 49 | 42.8 | 65 | 0.41 | 58 | 0 |
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| 1961 | 58.8 | 43 | 73.7 | 39 | 43.9 | 57 | 0.38 | 60 | 0 |
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| 1960 | 60.9 | 24 | 77.1 | 9 | 44.7 | 46 | 0.23 | 66 | 0 |
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| 1959 | 61.3 | 17 | 76.7 | 13 | 45.9 | 24 | 0.00 | 80 | 1 |
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| 1958 | 57 | 64 | 71.5 | 60 | 42.4 | 69 | 4.20 | 5 | 0 |
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| 1957 | 58 | 54 | 71.5 | 60 | 44.6 | 49 | 0.80 | 49 | 4 |
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| 1956 | 58.2 | 53 | 73.7 | 39 | 42.7 | 66 | 0.06 | 77 | 0 |
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| 1955 | 57.1 | 63 | 72.1 | 52 | 41.9 | 74 | 0.88 | 45 | 2 |
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| 1954 | 61 | 22 | 76.7 | 13 | 45.4 | 33 | 1.38 | 29 | 0 |
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| 1953 | 55.8 | 72 | 71.6 | 58 | 40.1 | 78 | 0.70 | 54 | 1 |
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| 1952 | 58.3 | 49 | 72.2 | 51 | 44.4 | 53 | 4.26 | 4 | 0 |
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| 1951 | 60.2 | 34 | 75 | 26 | 45.4 | 33 | 0.77 | 50 | 0 |
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| 1950 | 61.1 | 20 | 76.7 | 13 | 45.4 | 33 | 1.34 | 31 | 0 |
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| 1949 | 59.9 | 37 | 74.5 | 29 | 45.4 | 33 | 0.73 | 52 | 1 |
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| 1948 | 55.6 | 75 | 70.8 | 65 | 40.1 | 78 | 0.83 | 48 | 6 |
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| 1947 | 62.4 | 8 | 78.5 | 5 | 45.9 | 24 | 0.89 | 43 | 5 |
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| 1946 | 58.8 | 43 | 74.4 | 31 | 43.2 | 63 | 1.21 | 35 | 0 |
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| 1945 | 56.9 | 65 | 71.6 | 58 | 42.1 | 71 | 1.52 | 28 | 1 |
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