Records for Riverside Area, California (RALthr) on 05-15
Record Highs
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1: 103°F (2014)
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2: 100°F (2008)
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3: 100°F (1970)
Record Lows
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1: 41°F (1933)
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2: 41°F (1916)
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3: 41°F (1902)
Lowest Highs
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1: 62°F (2014)
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2: 62°F (1993)
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3: 61°F (2022)
Highest Lows
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1: 60°F (1953)
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2: 60°F (1928)
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3: 62°F (1894)
Highest May temperature:
110°F on 05-29-1984.
Lowest May temperature:
33°F on 05-01-1915.
Average temperature is 67.5°F
Average high is 80.2°F
Average low is 54.8°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.26" (1894)
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2: 0.22" (1962)
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3: 0.12" (2015)
Precipitation data from 1893 to 2022.