Records for Casper Area, Wyoming (CPRthr) on 12-31
Record Highs
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1: 54°F (1980)
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2: 50°F (1942)
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3: 48°F (2005)
Record Lows
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1: -34°F (1978)
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2: -18°F (2017)
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3: -15°F (1941)
Lowest Highs
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1: 39°F (1996)
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2: 37°F (2005)
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3: 37°F (1942)
Highest Lows
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1: -3°F (1978)
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2: 1°F (1951)
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3: 2°F (2010)
Highest December temperature:
66°F on 12-02-2021.
Lowest December temperature:
-42°F on 12-22-2022.
Average temperature is 26.4°F
Average high is 37.2°F
Average low is 15.6°F
Temperature data from 1939 to 2022.
Record Precipitation
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1: 0.38" (2011)
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2: 0.24" (1984)
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3: 0.19" (2010)
Precipitation data from 1939 to 2022.