Records for Lewiston Area, Idaho (LWSthr) on 05-15

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Record Highs
Record Lows
Lowest Highs
Highest Lows
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
Precipitation data from 1881 to 2022.
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Record temperature data from ThreadEx version 18.2 (includes data through 2022). Averages from NCDC 1991-2020 U.S. Climate Normals.