Records for Great Falls Area, Montana (GTFthr) on 05-12
Record Highs
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1: 90°F (2001)
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2: 89°F (1960)
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3: 87°F (1941)
Record Lows
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1: 22°F (1943)
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2: 25°F (1983)
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3: 25°F (1953)
Lowest Highs
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1: 60°F (1960)
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2: 56°F (1987)
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3: 56°F (1941)
Highest Lows
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1: 38°F (2004)
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2: 38°F (1970)
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3: 39°F (1953)
Highest May temperature:
100°F on 05-28-1919.
Lowest May temperature:
12°F on 05-01-2009.
Average temperature is 53.5°F
Average high is 66.3°F
Average low is 40.7°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 1.40" (1900)
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2: 1.27" (1995)
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3: 1.16" (1908)
Precipitation data from 1891 to 2022.