Records for Great Falls Area, Montana (GTFthr) on 05-30
Record Highs
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1: 93°F (1936)
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2: 93°F (1933)
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3: 89°F (1986)
Record Lows
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1: 31°F (1917)
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2: 33°F (2001)
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3: 33°F (1989)
Lowest Highs
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1: 61°F (1934)
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2: 56°F (1960)
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3: 56°F (1936)
Highest Lows
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1: 40°F (1917)
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2: 44°F (1951)
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3: 47°F (2011)
Highest May temperature:
100°F on 05-28-1919.
Lowest May temperature:
12°F on 05-01-2009.
Average temperature is 58°F
Average high is 70°F
Average low is 46°F
Temperature data from 1891 to 2022.
Record Precipitation
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1: 1.88" (1998)
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2: 0.87" (2011)
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3: 0.72" (1999)
Precipitation data from 1891 to 2022.