Records for Casper Area, Wyoming (CPRthr) on 09-20
Record Highs
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1: 89°F (1956)
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2: 88°F (2016)
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3: 86°F (1966)
Record Lows
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1: 16°F (1983)
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2: 25°F (1985)
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3: 26°F (1978)
Lowest Highs
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1: 54°F (1960)
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2: 53°F (1963)
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3: 51°F (2016)
Highest Lows
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1: 34°F (1995)
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2: 45°F (1965)
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3: 48°F (1983)
Highest September temperature:
100°F on 09-04-2022.
Lowest September temperature:
15°F on 09-28-1945.
Average temperature is 58.1°F
Average high is 74.1°F
Average low is 42.1°F
Temperature data from 1939 to 2022.
Record Precipitation
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1: 2.01" (1989)
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2: 1.76" (1950)
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3: 0.90" (2009)
Precipitation data from 1939 to 2022.