Records for Helena Area, Montana (HLNthr) on 05-11
Record Highs
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1: 87°F (1993)
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2: 86°F (1960)
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3: 84°F (2017)
Record Lows
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1: 25°F (1968)
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2: 26°F (1973)
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3: 27°F (2012)
Lowest Highs
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1: 54°F (1906)
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2: 54°F (1900)
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3: 49°F (1957)
Highest Lows
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1: 36°F (1890)
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2: 38°F (1943)
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3: 39°F (1983)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 52.6°F
Average high is 65.1°F
Average low is 40°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 1.02" (1920)
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2: 0.88" (1995)
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3: 0.81" (1908)
Precipitation data from 1880 to 2022.