Records for Missoula Area, Montana (MSOthr) on 09-21
Record Highs
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1: 92°F (1967)
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2: 91°F (1938)
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3: 89°F (1936)
Record Lows
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1: 23°F (1971)
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2: 25°F (1983)
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3: 25°F (1912)
Lowest Highs
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1: 55°F (1937)
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2: 53°F (1940)
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3: 52°F (1938)
Highest Lows
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1: 46°F (1955)
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2: 47°F (1968)
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3: 49°F (2000)
Highest September temperature:
99°F on 09-01-1967.
Lowest September temperature:
15°F on 09-25-1926.
Average temperature is 56.5°F
Average high is 70.9°F
Average low is 42.1°F
Temperature data from 1893 to 2022.
Record Precipitation
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1: 0.35" (1945)
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2: 0.33" (2016)
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3: 0.29" (1955)
Precipitation data from 1893 to 2022.