Records for Lewiston Area, Idaho (LWSthr) on 09-20
Record Highs
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1: 102°F (1939)
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2: 93°F (1938)
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3: 93°F (1936)
Record Lows
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1: 34°F (1983)
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2: 37°F (1934)
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3: 38°F (1945)
Lowest Highs
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1: 63°F (1910)
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2: 60°F (1898)
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3: 59°F (1979)
Highest Lows
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1: 53°F (1968)
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2: 55°F (2017)
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3: 60°F (1945)
Highest September temperature:
108°F on 09-06-1944.
Lowest September temperature:
27°F on 09-24-1926.
Average temperature is 64.4°F
Average high is 77.8°F
Average low is 51°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.53" (1969)
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2: 0.50" (2008)
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3: 0.26" (2000)
Precipitation data from 1881 to 2022.