Records for Riverside Area, California (RALthr) on 09-16
Record Highs
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1: 110°F (2000)
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2: 110°F (1922)
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3: 109°F (1913)
Record Lows
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1: 44°F (1911)
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2: 44°F (1893)
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3: 45°F (1933)
Lowest Highs
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1: 75°F (2014)
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2: 69°F (1989)
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3: 69°F (1984)
Highest Lows
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1: 72°F (1982)
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2: 75°F (1927)
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3: 77°F (2011)
Highest September temperature:
117°F on 09-05-2020.
Lowest September temperature:
37°F on 09-15-1902.
Average temperature is 77.4°F
Average high is 93.8°F
Average low is 60.9°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.08" (1982)
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2: 0.04" (1984)
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3: 0.02" (1975)
Precipitation data from 1893 to 2022.