Records for Great Falls Area, Montana (GTFthr) on 09-10
Record Highs
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1: 91°F (1966)
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2: 91°F (1935)
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3: 90°F (1969)
Record Lows
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1: 29°F (1921)
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2: 32°F (1949)
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3: 33°F (2022)
Lowest Highs
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1: 60°F (1958)
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2: 59°F (1948)
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3: 58°F (1953)
Highest Lows
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1: 38°F (1921)
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2: 40°F (2014)
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3: 42°F (1964)
Highest September temperature:
102°F on 09-03-2022.
Lowest September temperature:
10°F on 09-24-1926.
Average temperature is 60.7°F
Average high is 75.2°F
Average low is 46.2°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.59" (1988)
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2: 0.41" (1930)
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3: 0.39" (1998)
Precipitation data from 1891 to 2022.