Records for Helena Area, Montana (HLNthr) on 09-28
Record Highs
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1: 89°F (1892)
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2: 88°F (1967)
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3: 87°F (2010)
Record Lows
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1: 19°F (1965)
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2: 23°F (1999)
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3: 25°F (1985)
Lowest Highs
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1: 56°F (2001)
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2: 55°F (1966)
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3: 53°F (1892)
Highest Lows
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1: 34°F (1985)
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2: 37°F (1925)
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3: 40°F (2019)
Highest September temperature:
102°F on 09-07-2022.
Lowest September temperature:
6°F on 09-24-1926.
Average temperature is 54.2°F
Average high is 67.6°F
Average low is 40.7°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.65" (1940)
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2: 0.26" (1929)
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3: 0.21" (1939)
Precipitation data from 1880 to 2022.