Records for Riverside Area, California (RALthr) on 12-22
Record Highs
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1: 85°F (1915)
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2: 83°F (1901)
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3: 82°F (1989)
Record Lows
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1: 25°F (1930)
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2: 26°F (1953)
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3: 26°F (1949)
Lowest Highs
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1: 57°F (1991)
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2: 56°F (1999)
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3: 55°F (1945)
Highest Lows
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1: 50°F (1948)
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2: 50°F (1893)
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3: 52°F (1990)
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 68.1°F
Average low is 43°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 2.49" (2010)
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2: 2.36" (1945)
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3: 0.67" (2016)
Precipitation data from 1893 to 2022.