Records for Great Falls Area, Montana (GTFthr) on 09-11
Record Highs
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1: 93°F (1919)
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2: 91°F (2011)
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3: 90°F (2017)
Record Lows
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1: 29°F (1989)
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2: 29°F (1921)
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3: 31°F (1970)
Lowest Highs
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1: 62°F (1958)
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2: 60°F (1917)
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3: 59°F (1969)
Highest Lows
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1: 36°F (1949)
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2: 39°F (1921)
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3: 41°F (1974)
Highest September temperature:
102°F on 09-03-2022.
Lowest September temperature:
10°F on 09-24-1926.
Average temperature is 60.3°F
Average high is 74.7°F
Average low is 45.9°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 1.29" (1978)
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2: 1.05" (1914)
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3: 0.69" (1967)
Precipitation data from 1891 to 2022.