Climate Lewiston, Lewiston-Nez Perce County Airport Climate data 1998

Data reported by the weather station: 727830 (KLWS)
Latitude: 46.36 | Longitude: -117.01 | Altitude: 438

°F°C
mi/hkm/h

Average climatic values ​​and annual totals

To calculate annual averages, we analyzed data of 361 days (98.9% of year).

If in the average or annual total of some data is missing information of 10 or more days, this is not displayed.

The total rainfall value 0 (zero) may indicate that there has been no such measurement and / or the weather station does not broadcast.

DataValueComputed days
Average annual temperature:12.4°C361
Annual average maximum temperature:18.9°C361
Average annual minimum temperature:7.0°C361
Annual average humidity:60.7%361
Rain or snow precipitation total annual:455.16 mm361
Annual average visibility:15.6 Km361
Annual average wind speed:8.5 km/h361

To calculate the average temperature used 8383 measurements.
To calculate the average wind speed used 8383 measurements.

Total occurrences

Number of days with extraordinary phenomena.

Total days with rain:130
Total days with snow:14
Total days with thunderstorm:11
Total days with fog:19
Total days with tornado or funnel cloud:0
Total days with hail:0

Days of extreme historical values ​​in 1998

The highest temperature recorded was 41.7°C on 5 August.
The lowest temperature recorded was -16.1°C on 21 December.
The maximum wind speed recorded was 101.9 km/h on 11 July.

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