Records for Lewiston Area, Idaho (LWSthr) on 09-01
Record Highs
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1: 102°F (1938)
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2: 100°F (1998)
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3: 100°F (1987)
Record Lows
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1: 44°F (1999)
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2: 46°F (2006)
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3: 46°F (1942)
Lowest Highs
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1: 68°F (2022)
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2: 66°F (2019)
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3: 65°F (1994)
Highest Lows
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1: 58°F (1964)
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2: 59°F (1971)
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3: 60°F (2000)
Highest September temperature:
108°F on 09-06-1944.
Lowest September temperature:
27°F on 09-24-1926.
Average temperature is 70.9°F
Average high is 85.3°F
Average low is 56.5°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.69" (1971)
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2: 0.59" (1910)
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3: 0.56" (1907)
Precipitation data from 1881 to 2022.