Records for Great Falls Area, Montana (GTFthr) on 09-29
Record Highs
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1: 91°F (1967)
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2: 89°F (1963)
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3: 86°F (1992)
Record Lows
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1: 21°F (1985)
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2: 24°F (1919)
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3: 26°F (1984)
Lowest Highs
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1: 59°F (2005)
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2: 55°F (1992)
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3: 55°F (1909)
Highest Lows
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1: 32°F (2019)
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2: 35°F (1954)
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3: 37°F (1982)
Highest September temperature:
102°F on 09-03-2022.
Lowest September temperature:
10°F on 09-24-1926.
Average temperature is 53.7°F
Average high is 66.4°F
Average low is 41°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.60" (2019)
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2: 0.40" (1937)
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3: 0.36" (1940)
Precipitation data from 1891 to 2022.