Records for Riverside Area, California (RALthr) on 09-08
Record Highs
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1: 109°F (1944)
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2: 108°F (1979)
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3: 108°F (1923)
Record Lows
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1: 45°F (1917)
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2: 45°F (1914)
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3: 45°F (1901)
Lowest Highs
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1: 75°F (2022)
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2: 73°F (2015)
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3: 71°F (2013)
Highest Lows
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1: 72°F (2010)
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2: 78°F (1930)
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3: 79°F (1980)
Highest September temperature:
117°F on 09-05-2020.
Lowest September temperature:
37°F on 09-15-1902.
Average temperature is 79.2°F
Average high is 96.3°F
Average low is 62°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.28" (1982)
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2: 0.03" (2022)
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3: 0.01" (2014)
Precipitation data from 1893 to 2022.