Records for Riverside Area, California (RALthr) on 09-19
Record Highs
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1: 106°F (1939)
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2: 104°F (1922)
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3: 103°F (1984)
Record Lows
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1: 42°F (1925)
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2: 43°F (1895)
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3: 44°F (1911)
Lowest Highs
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1: 69°F (1984)
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2: 69°F (1983)
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3: 68°F (2014)
Highest Lows
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1: 70°F (1924)
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2: 72°F (1963)
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3: 75°F (1952)
Highest September temperature:
117°F on 09-05-2020.
Lowest September temperature:
37°F on 09-15-1902.
Average temperature is 76.5°F
Average high is 92.6°F
Average low is 60.4°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.65" (1963)
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2: 0.31" (1989)
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3: 0.30" (1952)
Precipitation data from 1893 to 2022.