Records for Helena Area, Montana (HLNthr) on 05-10
Record Highs
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1: 88°F (1940)
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2: 84°F (1906)
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3: 83°F (1900)
Record Lows
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1: 23°F (1946)
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2: 25°F (1880)
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3: 26°F (1979)
Lowest Highs
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1: 51°F (1989)
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2: 50°F (1900)
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3: 49°F (2007)
Highest Lows
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1: 38°F (1983)
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2: 40°F (1967)
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3: 41°F (1933)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 52.2°F
Average high is 64.8°F
Average low is 39.7°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 1.45" (1914)
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2: 1.11" (1967)
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3: 0.86" (1980)
Precipitation data from 1880 to 2022.