Records for Riverside Area, California (RALthr) on 05-17
Record Highs
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1: 103°F (2008)
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2: 103°F (1920)
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3: 100°F (1970)
Record Lows
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1: 40°F (1943)
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2: 40°F (1908)
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3: 42°F (1962)
Lowest Highs
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1: 63°F (2014)
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2: 62°F (1987)
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3: 61°F (2008)
Highest Lows
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1: 60°F (1949)
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2: 62°F (2017)
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3: 63°F (1950)
Highest May temperature:
110°F on 05-29-1984.
Lowest May temperature:
33°F on 05-01-1915.
Average temperature is 67.8°F
Average high is 80.6°F
Average low is 55.1°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.15" (1994)
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2: 0.07" (1930)
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3: 0.04" (1949)
Precipitation data from 1893 to 2022.