Records for Lewiston Area, Idaho (LWSthr) on 09-18
Record Highs
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1: 101°F (1938)
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2: 97°F (1981)
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3: 95°F (1937)
Record Lows
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1: 35°F (1965)
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2: 38°F (1971)
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3: 39°F (1955)
Lowest Highs
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1: 62°F (2014)
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2: 62°F (1898)
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3: 61°F (1966)
Highest Lows
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1: 52°F (1983)
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2: 54°F (1947)
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3: 57°F (1941)
Highest September temperature:
108°F on 09-06-1944.
Lowest September temperature:
27°F on 09-24-1926.
Average temperature is 65.2°F
Average high is 78.8°F
Average low is 51.7°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.78" (1940)
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2: 0.36" (2021)
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3: 0.33" (1983)
Precipitation data from 1881 to 2022.