Records for Great Falls Area, Montana (GTFthr) on 08-18
Record Highs
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1: 101°F (1964)
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2: 99°F (1919)
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3: 98°F (2008)
Record Lows
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1: 40°F (1987)
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2: 41°F (1995)
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3: 42°F (1925)
Lowest Highs
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1: 65°F (2001)
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2: 65°F (1945)
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3: 64°F (1943)
Highest Lows
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1: 48°F (2021)
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2: 60°F (1956)
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3: 62°F (1980)
Highest August temperature:
106°F on 08-05-1961.
Lowest August temperature:
30°F on 08-24-1992.
Average temperature is 68.5°F
Average high is 83.7°F
Average low is 53.3°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 1.58" (1990)
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2: 0.71" (2021)
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3: 0.60" (1912)
Precipitation data from 1891 to 2022.