Records for Riverside Area, California (RALthr) on 09-09
Record Highs
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1: 111°F (1979)
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2: 110°F (1910)
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3: 106°F (2015)
Record Lows
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1: 43°F (1917)
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2: 43°F (1911)
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3: 45°F (1901)
Lowest Highs
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1: 79°F (2015)
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2: 76°F (1984)
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3: 72°F (2022)
Highest Lows
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1: 77°F (2010)
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2: 78°F (1933)
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3: 79°F (1975)
Highest September temperature:
117°F on 09-05-2020.
Lowest September temperature:
37°F on 09-15-1902.
Average temperature is 79°F
Average high is 96.1°F
Average low is 61.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.11" (2022)
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2: 0.04" (2015)
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3: 0.03" (1984)
Precipitation data from 1893 to 2022.