Records for Helena Area, Montana (HLNthr) on 09-24
Record Highs
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1: 91°F (2014)
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2: 88°F (2009)
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3: 87°F (2011)
Record Lows
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1: 6°F (1926)
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2: 19°F (1934)
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3: 23°F (2000)
Lowest Highs
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1: 62°F (1899)
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2: 57°F (1903)
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3: 54°F (2019)
Highest Lows
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1: 27°F (1934)
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2: 31°F (1926)
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3: 40°F (1984)
Highest September temperature:
102°F on 09-07-2022.
Lowest September temperature:
6°F on 09-24-1926.
Average temperature is 55.9°F
Average high is 69.7°F
Average low is 42.2°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 1.20" (1920)
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2: 0.63" (2013)
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3: 0.59" (1917)
Precipitation data from 1880 to 2022.