Records for Helena Area, Montana (HLNthr) on 09-22
Record Highs
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1: 89°F (1966)
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2: 88°F (2011)
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3: 87°F (1905)
Record Lows
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1: 21°F (1934)
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2: 24°F (1926)
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3: 25°F (1995)
Lowest Highs
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1: 57°F (1936)
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2: 56°F (1917)
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3: 55°F (1938)
Highest Lows
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1: 34°F (2000)
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2: 34°F (1934)
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3: 42°F (2017)
Highest September temperature:
102°F on 09-07-2022.
Lowest September temperature:
6°F on 09-24-1926.
Average temperature is 56.7°F
Average high is 70.6°F
Average low is 42.8°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.48" (1930)
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2: 0.41" (1934)
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3: 0.29" (1945)
Precipitation data from 1880 to 2022.