Records for Great Falls Area, Montana (GTFthr) on 09-22
Record Highs
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1: 91°F (1938)
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2: 90°F (1897)
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3: 86°F (2011)
Record Lows
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1: 24°F (2000)
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2: 24°F (1934)
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3: 26°F (1923)
Lowest Highs
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1: 56°F (1963)
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2: 56°F (1898)
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3: 55°F (1938)
Highest Lows
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1: 30°F (2000)
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2: 35°F (1945)
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3: 40°F (1934)
Highest September temperature:
102°F on 09-03-2022.
Lowest September temperature:
10°F on 09-24-1926.
Average temperature is 56.2°F
Average high is 69.7°F
Average low is 42.8°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.84" (1910)
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2: 0.82" (1934)
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3: 0.52" (1913)
Precipitation data from 1891 to 2022.