Records for Great Falls Area, Montana (GTFthr) on 08-17
Record Highs
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1: 99°F (2020)
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2: 98°F (1919)
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3: 97°F (1934)
Record Lows
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1: 36°F (2002)
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2: 38°F (1985)
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3: 40°F (1910)
Lowest Highs
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1: 65°F (1901)
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2: 64°F (1945)
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3: 63°F (1984)
Highest Lows
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1: 50°F (1978)
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2: 58°F (1993)
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3: 59°F (2019)
Highest August temperature:
106°F on 08-05-1961.
Lowest August temperature:
30°F on 08-24-1992.
Average temperature is 68.7°F
Average high is 84°F
Average low is 53.5°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 0.91" (2021)
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2: 0.36" (2006)
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3: 0.35" (1993)
Precipitation data from 1891 to 2022.