Records for Riverside Area, California (RALthr) on 08-21
Record Highs
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1: 108°F (1982)
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2: 107°F (1969)
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3: 103°F (1981)
Record Lows
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1: 47°F (1916)
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2: 48°F (1947)
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3: 48°F (1918)
Lowest Highs
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1: 76°F (1982)
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2: 73°F (2020)
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3: 71°F (1961)
Highest Lows
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1: 76°F (1906)
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2: 77°F (2021)
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3: 81°F (1968)
Highest August temperature:
113°F on 08-05-1997.
Lowest August temperature:
40°F on 08-27-1902.
Average temperature is 80.4°F
Average high is 97.2°F
Average low is 63.6°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.03" (1982)
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2: 0.01" (2012)
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3: 0.00" (2022)
Precipitation data from 1893 to 2022.