Records for Riverside Area, California (RALthr) on 12-19
Record Highs
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1: 90°F (1917)
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2: 86°F (1939)
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3: 82°F (1985)
Record Lows
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1: 26°F (1909)
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2: 27°F (1948)
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3: 28°F (1911)
Lowest Highs
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1: 55°F (2010)
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2: 54°F (1921)
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3: 52°F (2009)
Highest Lows
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1: 47°F (1967)
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2: 52°F (1970)
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3: 52°F (1949)
Highest December temperature:
94°F on 12-03-1958.
Lowest December temperature:
21°F on 12-12-1949.
Average temperature is 55.6°F
Average high is 68.2°F
Average low is 42.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.43" (1894)
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2: 1.26" (1938)
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3: 0.96" (1984)
Precipitation data from 1893 to 2022.