Records for El Cajon Area, California (ELJC1thr) on 05-20
Record Highs
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1: 101°F (1942)
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2: 94°F (2017)
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3: 93°F (1988)
Record Lows
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1: 41°F (1974)
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2: 42°F (1950)
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3: 42°F (1948)
Lowest Highs
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1: 66°F (2005)
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2: 63°F (2008)
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3: 62°F (1993)
Highest Lows
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1: 58°F (1975)
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2: 60°F (1957)
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3: 61°F (1921)
Highest May temperature:
106°F on 05-31-1909.
Lowest May temperature:
34°F on 05-13-1908.
Average temperature is 66.5°F
Average high is 76.3°F
Average low is 56.7°F
Temperature data from 1899 to 2022.
Record Precipitation
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1: 0.40" (1921)
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2: 0.35" (2019)
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3: 0.25" (1972)
Precipitation data from 1899 to 2022.