Records for Great Falls Area, Montana (GTFthr) on 09-27
Record Highs
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1: 91°F (1963)
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2: 87°F (1957)
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3: 86°F (2011)
Record Lows
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1: 23°F (1984)
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2: 24°F (1935)
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3: 26°F (1951)
Lowest Highs
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1: 65°F (1957)
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2: 57°F (1943)
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3: 54°F (2021)
Highest Lows
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1: 31°F (1965)
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2: 36°F (1919)
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3: 38°F (1985)
Highest September temperature:
102°F on 09-03-2022.
Lowest September temperature:
10°F on 09-24-1926.
Average temperature is 54.4°F
Average high is 67.3°F
Average low is 41.5°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 1.56" (1982)
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2: 0.48" (1941)
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3: 0.42" (1915)
Precipitation data from 1891 to 2022.