Records for Riverside Area, California (RALthr) on 12-17
Record Highs
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1: 87°F (2013)
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2: 87°F (1958)
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3: 86°F (1999)
Record Lows
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1: 27°F (1916)
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2: 28°F (1915)
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3: 28°F (1903)
Lowest Highs
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1: 55°F (2013)
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2: 53°F (2017)
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3: 53°F (2009)
Highest Lows
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1: 50°F (1940)
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2: 50°F (1924)
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3: 51°F (2008)
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 68.4°F
Average low is 42.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.85" (1940)
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2: 0.74" (1902)
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3: 0.55" (1978)
Precipitation data from 1893 to 2022.