Records for Lewiston Area, Idaho (LWSthr) on 05-15
Record Highs
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1: 100°F (1939)
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2: 95°F (2006)
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3: 95°F (1924)
Record Lows
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1: 35°F (1943)
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2: 36°F (1974)
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3: 37°F (1960)
Lowest Highs
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1: 59°F (1987)
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2: 59°F (1949)
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3: 58°F (1997)
Highest Lows
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1: 49°F (1955)
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2: 50°F (1984)
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3: 52°F (1959)
Highest May temperature:
104°F on 05-28-1934.
Lowest May temperature:
23°F on 05-01-1954.
Average temperature is 60.1°F
Average high is 72.2°F
Average low is 48.1°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.65" (1900)
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2: 0.64" (1885)
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3: 0.54" (1971)
Precipitation data from 1881 to 2022.