Records for Riverside Area, California (RALthr) on 09-24
Record Highs
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1: 109°F (1949)
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2: 105°F (1978)
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3: 105°F (1944)
Record Lows
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1: 42°F (1923)
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2: 43°F (1941)
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3: 44°F (1950)
Lowest Highs
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1: 68°F (2022)
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2: 68°F (2015)
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3: 67°F (1991)
Highest Lows
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1: 62°F (1934)
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2: 67°F (1986)
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3: 69°F (1901)
Highest September temperature:
117°F on 09-05-2020.
Lowest September temperature:
37°F on 09-15-1902.
Average temperature is 74.9°F
Average high is 90.3°F
Average low is 59.5°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.72" (1908)
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2: 0.57" (1939)
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3: 0.08" (1986)
Precipitation data from 1893 to 2022.