Records for Helena Area, Montana (HLNthr) on 03-21
Record Highs
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1: 73°F (1928)
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2: 68°F (1986)
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3: 67°F (1978)
Record Lows
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1: -11°F (1913)
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2: -10°F (1898)
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3: -7°F (1899)
Lowest Highs
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1: 47°F (1910)
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2: 41°F (1926)
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3: 40°F (1978)
Highest Lows
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1: 2°F (1898)
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2: 8°F (1899)
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3: 18°F (2002)
Highest March temperature:
78°F on 03-30-2004.
Lowest March temperature:
-30°F on 03-04-2019.
Average temperature is 37.8°F
Average high is 49.5°F
Average low is 26.2°F
Temperature data from 1880 to 2022.
Record Precipitation
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1: 0.33" (1964)
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2: 0.20" (1891)
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3: 0.19" (1965)
Precipitation data from 1880 to 2022.