Records for Great Falls Area, Montana (GTFthr) on 12-15
Record Highs
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1: 61°F (1980)
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2: 61°F (1962)
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3: 57°F (1939)
Record Lows
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1: -28°F (1964)
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2: -27°F (1979)
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3: -24°F (1924)
Lowest Highs
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1: 50°F (1980)
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2: 46°F (1962)
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3: 45°F (1959)
Highest Lows
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1: -9°F (2008)
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2: -4°F (1979)
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3: -4°F (1951)
Highest December temperature:
69°F on 12-01-2021.
Lowest December temperature:
-43°F on 12-29-1968.
Average temperature is 28°F
Average high is 36.2°F
Average low is 19.8°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.55" (1921)
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2: 0.28" (1977)
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3: 0.23" (2016)
Precipitation data from 1891 to 2022.