Records for Missoula Area, Montana (MSOthr) on 05-20
Record Highs
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1: 88°F (1958)
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2: 86°F (1919)
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3: 83°F (1964)
Record Lows
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1: 28°F (1989)
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2: 31°F (2003)
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3: 31°F (1903)
Lowest Highs
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1: 52°F (2006)
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2: 51°F (1993)
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3: 51°F (1956)
Highest Lows
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1: 43°F (1903)
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2: 44°F (1957)
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3: 45°F (2021)
Highest May temperature:
95°F on 05-29-1936.
Lowest May temperature:
21°F on 05-01-1954.
Average temperature is 55°F
Average high is 67.9°F
Average low is 42.2°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 1.52" (1901)
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2: 1.29" (1957)
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3: 0.75" (1897)
Precipitation data from 1893 to 2022.