Records for Helena Area, Montana (HLNthr) on 10-18
Record Highs
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1: 82°F (2003)
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2: 82°F (1958)
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3: 75°F (1903)
Record Lows
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1: 7°F (1905)
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2: 11°F (1917)
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3: 15°F (1949)
Lowest Highs
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1: 53°F (1921)
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2: 50°F (1947)
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3: 49°F (2009)
Highest Lows
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1: 19°F (1905)
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2: 24°F (1949)
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3: 29°F (2020)
Highest October temperature:
87°F on 10-01-2001.
Lowest October temperature:
-8°F on 10-30-1991.
Average temperature is 44.5°F
Average high is 56.3°F
Average low is 32.6°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.34" (1933)
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2: 0.14" (1994)
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3: 0.13" (2020)
Precipitation data from 1880 to 2022.