Records for Great Falls Area, Montana (GTFthr) on 09-23
Record Highs
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1: 93°F (1966)
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2: 92°F (2009)
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3: 89°F (2011)
Record Lows
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1: 16°F (2000)
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2: 20°F (1934)
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3: 21°F (1926)
Lowest Highs
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1: 59°F (2011)
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2: 58°F (2014)
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3: 57°F (1992)
Highest Lows
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1: 26°F (1934)
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2: 29°F (1926)
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3: 33°F (1984)
Highest September temperature:
102°F on 09-03-2022.
Lowest September temperature:
10°F on 09-24-1926.
Average temperature is 55.9°F
Average high is 69.2°F
Average low is 42.6°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.90" (2007)
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2: 0.85" (1930)
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3: 0.33" (1940)
Precipitation data from 1891 to 2022.