Records for Helena Area, Montana (HLNthr) on 10-20
Record Highs
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1: 80°F (1921)
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2: 76°F (2014)
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3: 74°F (2022)
Record Lows
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1: 18°F (1995)
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2: 20°F (1998)
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3: 20°F (1993)
Lowest Highs
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1: 50°F (1937)
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2: 49°F (1903)
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3: 46°F (1913)
Highest Lows
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1: 30°F (1949)
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2: 35°F (1906)
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3: 37°F (1996)
Highest October temperature:
87°F on 10-01-2001.
Lowest October temperature:
-8°F on 10-30-1991.
Average temperature is 43.5°F
Average high is 55.2°F
Average low is 31.8°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.24" (1971)
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2: 0.21" (2004)
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3: 0.20" (1981)
Precipitation data from 1880 to 2022.