Records for Great Falls Area, Montana (GTFthr) on 12-17
Record Highs
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1: 59°F (1976)
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2: 57°F (1980)
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3: 57°F (1979)
Record Lows
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1: -27°F (1983)
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2: -27°F (1924)
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3: -26°F (1984)
Lowest Highs
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1: 41°F (1976)
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2: 40°F (1966)
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3: 40°F (1919)
Highest Lows
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1: -18°F (1924)
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2: -12°F (1983)
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3: -7°F (1984)
Highest December temperature:
69°F on 12-01-2021.
Lowest December temperature:
-43°F on 12-29-1968.
Average temperature is 27.8°F
Average high is 36.1°F
Average low is 19.5°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.63" (1973)
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2: 0.15" (1951)
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3: 0.14" (1967)
Precipitation data from 1891 to 2022.