Records for Lewiston Area, Idaho (LWSthr) on 09-15
Record Highs
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1: 101°F (1937)
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2: 98°F (2013)
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3: 98°F (1979)
Record Lows
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1: 35°F (1970)
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2: 36°F (1921)
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3: 37°F (1982)
Lowest Highs
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1: 67°F (2013)
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2: 62°F (1908)
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3: 61°F (1998)
Highest Lows
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1: 54°F (1992)
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2: 55°F (1963)
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3: 55°F (1946)
Highest September temperature:
108°F on 09-06-1944.
Lowest September temperature:
27°F on 09-24-1926.
Average temperature is 66.4°F
Average high is 80.1°F
Average low is 52.6°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.76" (1949)
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2: 0.65" (1954)
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3: 0.46" (1946)
Precipitation data from 1881 to 2022.