Records for Casper Area, Wyoming (CPRthr) on 05-15
Record Highs
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1: 87°F (1984)
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2: 86°F (1987)
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3: 86°F (1978)
Record Lows
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1: 27°F (1983)
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2: 30°F (1986)
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3: 31°F (2022)
Lowest Highs
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1: 56°F (1984)
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2: 54°F (1987)
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3: 54°F (1944)
Highest Lows
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1: 42°F (1976)
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2: 46°F (1957)
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3: 47°F (1968)
Highest May temperature:
95°F on 05-29-2003.
Lowest May temperature:
16°F on 05-12-1953.
Average temperature is 53.5°F
Average high is 66.7°F
Average low is 40.3°F
Temperature data from 1939 to 2022.
Record Precipitation
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1: 1.52" (1991)
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2: 1.13" (1977)
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3: 0.39" (1969)
Precipitation data from 1939 to 2022.