Records for Helena Area, Montana (HLNthr) on 09-19
Record Highs
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1: 94°F (2009)
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2: 88°F (1956)
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3: 87°F (1960)
Record Lows
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1: 25°F (1965)
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2: 26°F (1943)
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3: 27°F (1983)
Lowest Highs
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1: 59°F (1919)
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2: 57°F (2014)
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3: 56°F (2020)
Highest Lows
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1: 37°F (1983)
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2: 37°F (1925)
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3: 43°F (1995)
Highest September temperature:
102°F on 09-07-2022.
Lowest September temperature:
6°F on 09-24-1926.
Average temperature is 57.9°F
Average high is 72°F
Average low is 43.8°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.96" (1925)
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2: 0.79" (2004)
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3: 0.58" (1968)
Precipitation data from 1880 to 2022.