Records for Helena Area, Montana (HLNthr) on 09-11
Record Highs
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1: 92°F (1958)
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2: 90°F (2017)
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3: 89°F (1990)
Record Lows
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1: 27°F (1890)
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2: 28°F (1989)
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3: 28°F (1921)
Lowest Highs
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1: 59°F (1883)
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2: 59°F (1882)
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3: 58°F (1963)
Highest Lows
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1: 35°F (1921)
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2: 36°F (1949)
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3: 41°F (1915)
Highest September temperature:
102°F on 09-07-2022.
Lowest September temperature:
6°F on 09-24-1926.
Average temperature is 60.7°F
Average high is 75.4°F
Average low is 46°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 1.61" (1980)
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2: 0.90" (1991)
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3: 0.61" (1949)
Precipitation data from 1880 to 2022.