Records for Riverside Area, California (RALthr) on 12-15
Record Highs
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1: 86°F (1942)
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2: 83°F (1980)
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3: 83°F (1939)
Record Lows
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1: 27°F (1948)
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2: 27°F (1902)
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3: 27°F (1901)
Lowest Highs
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1: 52°F (1996)
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2: 51°F (2016)
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3: 51°F (2010)
Highest Lows
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1: 46°F (1931)
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2: 47°F (1932)
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3: 53°F (1967)
Highest December temperature:
94°F on 12-03-1958.
Lowest December temperature:
21°F on 12-12-1949.
Average temperature is 55.7°F
Average high is 68.6°F
Average low is 42.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.05" (1957)
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2: 0.97" (1936)
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3: 0.30" (2016)
Precipitation data from 1893 to 2022.