Records for Helena Area, Montana (HLNthr) on 08-21
Record Highs
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1: 95°F (2011)
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2: 95°F (2005)
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3: 95°F (1991)
Record Lows
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1: 38°F (1933)
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2: 39°F (1883)
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3: 40°F (1966)
Lowest Highs
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1: 66°F (2022)
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2: 63°F (1895)
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3: 63°F (1880)
Highest Lows
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1: 47°F (1933)
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2: 57°F (1906)
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3: 57°F (1899)
Highest August temperature:
105°F on 08-24-1969.
Lowest August temperature:
28°F on 08-25-1992.
Average temperature is 67.4°F
Average high is 83.1°F
Average low is 51.7°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 1.82" (1983)
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2: 0.98" (1933)
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3: 0.61" (1906)
Precipitation data from 1880 to 2022.