Records for Helena Area, Montana (HLNthr) on 05-29
Record Highs
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1: 91°F (2003)
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2: 91°F (1986)
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3: 90°F (1936)
Record Lows
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1: 27°F (1951)
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2: 28°F (1954)
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3: 31°F (1917)
Lowest Highs
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1: 64°F (2003)
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2: 62°F (1934)
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3: 60°F (1958)
Highest Lows
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1: 39°F (1927)
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2: 42°F (1942)
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3: 42°F (1917)
Highest May temperature:
95°F on 05-28-1919.
Lowest May temperature:
17°F on 05-02-1954.
Average temperature is 57.6°F
Average high is 69.9°F
Average low is 45.3°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 1.51" (1927)
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2: 0.62" (1901)
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3: 0.58" (2022)
Precipitation data from 1880 to 2022.