Records for Lewiston Area, Idaho (LWSthr) on 05-20
Record Highs
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1: 93°F (1928)
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2: 90°F (1958)
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3: 90°F (1929)
Record Lows
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1: 37°F (1927)
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2: 38°F (1901)
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3: 39°F (1975)
Lowest Highs
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1: 61°F (1897)
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2: 59°F (2006)
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3: 58°F (1925)
Highest Lows
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1: 54°F (1962)
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2: 55°F (1957)
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3: 55°F (1885)
Highest May temperature:
104°F on 05-28-1934.
Lowest May temperature:
23°F on 05-01-1954.
Average temperature is 61.3°F
Average high is 73.4°F
Average low is 49.3°F
Temperature data from 1881 to 2022.
Record Precipitation
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1: 0.96" (2020)
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2: 0.92" (1912)
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3: 0.62" (1960)
Precipitation data from 1881 to 2022.