Records for Riverside Area, California (RALthr) on 05-09
Record Highs
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1: 103°F (1940)
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2: 102°F (1923)
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3: 98°F (1984)
Record Lows
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1: 35°F (1950)
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2: 38°F (1930)
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3: 39°F (1908)
Lowest Highs
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1: 62°F (1987)
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2: 62°F (1923)
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3: 61°F (1992)
Highest Lows
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1: 57°F (1922)
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2: 58°F (1928)
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3: 60°F (1977)
Highest May temperature:
110°F on 05-29-1984.
Lowest May temperature:
33°F on 05-01-1915.
Average temperature is 66.5°F
Average high is 79.1°F
Average low is 54°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.66" (1922)
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2: 0.55" (1977)
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3: 0.22" (1956)
Precipitation data from 1893 to 2022.