Records for Riverside Area, California (RALthr) on 09-28
Record Highs
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1: 106°F (1963)
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2: 106°F (1924)
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3: 105°F (1993)
Record Lows
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1: 42°F (1915)
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2: 43°F (1949)
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3: 43°F (1934)
Lowest Highs
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1: 73°F (2010)
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2: 69°F (2022)
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3: 68°F (1963)
Highest Lows
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1: 65°F (1919)
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2: 67°F (1903)
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3: 71°F (1965)
Highest September temperature:
117°F on 09-05-2020.
Lowest September temperature:
37°F on 09-15-1902.
Average temperature is 73.5°F
Average high is 88.3°F
Average low is 58.7°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.61" (1919)
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2: 0.18" (1951)
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3: 0.12" (1911)
Precipitation data from 1893 to 2022.