Records for Lewiston Area, Idaho (LWSthr) on 09-22
Record Highs
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1: 99°F (1966)
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2: 95°F (1938)
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3: 94°F (1939)
Record Lows
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1: 34°F (1955)
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2: 37°F (2017)
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3: 37°F (1993)
Lowest Highs
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1: 64°F (1976)
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2: 62°F (2014)
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3: 62°F (1966)
Highest Lows
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1: 57°F (1926)
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2: 58°F (2000)
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3: 59°F (1958)
Highest September temperature:
108°F on 09-06-1944.
Lowest September temperature:
27°F on 09-24-1926.
Average temperature is 63.6°F
Average high is 76.8°F
Average low is 50.4°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.57" (1926)
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2: 0.54" (2022)
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3: 0.32" (1930)
Precipitation data from 1881 to 2022.