Records for Riverside Area, California (RALthr) on 09-20
Record Highs
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1: 106°F (2015)
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2: 106°F (1943)
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3: 105°F (1939)
Record Lows
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1: 44°F (1925)
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2: 45°F (1954)
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3: 45°F (1953)
Lowest Highs
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1: 70°F (2016)
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2: 70°F (2015)
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3: 70°F (1939)
Highest Lows
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1: 71°F (2007)
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2: 74°F (1988)
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3: 74°F (1929)
Highest September temperature:
117°F on 09-05-2020.
Lowest September temperature:
37°F on 09-15-1902.
Average temperature is 76.2°F
Average high is 92.1°F
Average low is 60.2°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.05" (1988)
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2: 0.01" (1952)
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3: 0.00" (2016)
Precipitation data from 1893 to 2022.