Records for Great Falls Area, Montana (GTFthr) on 12-18
Record Highs
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1: 58°F (1979)
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2: 58°F (1917)
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3: 56°F (1923)
Record Lows
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1: -27°F (1924)
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2: -21°F (1990)
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3: -18°F (1955)
Lowest Highs
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1: 45°F (1966)
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2: 44°F (1931)
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3: 42°F (1979)
Highest Lows
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1: -9°F (1955)
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2: -5°F (1983)
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3: -3°F (1961)
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 19.4°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.30" (1990)
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2: 0.28" (1971)
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3: 0.20" (1951)
Precipitation data from 1891 to 2022.