Records for Helena Area, Montana (HLNthr) on 05-16
Record Highs
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1: 91°F (2006)
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2: 91°F (1988)
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3: 87°F (1893)
Record Lows
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1: 28°F (1986)
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2: 29°F (1974)
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3: 29°F (1942)
Lowest Highs
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1: 63°F (1924)
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2: 57°F (1922)
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3: 54°F (2022)
Highest Lows
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1: 38°F (1909)
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2: 39°F (1942)
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3: 43°F (1894)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 54.2°F
Average high is 66.7°F
Average low is 41.7°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.86" (2015)
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2: 0.63" (1996)
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3: 0.58" (1898)
Precipitation data from 1880 to 2022.