Climatological Report (Daily)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
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CDUS46 KOTX 220445
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
945 PM PDT SUN SEP 21 2025
...................................
...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2025...
VALID TODAY AS OF 0900 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 72 149 PM 101 1967 77 -5 75
MINIMUM 61 916 AM 29 1895 51 10 46
AVERAGE 67 64 3 61
PRECIPITATION (IN)
TODAY 0.05 0.50 1968 0.02 0.03 0.00
MONTH TO DATE 0.98 0.40 0.58 0.82
SINCE OCT 1 10.20 12.67 -2.47 11.93
SINCE JAN 1 6.43 9.23 -2.80 7.52
DEGREE DAYS
HEATING
TODAY 0 3 -3 4
MONTH TO DATE 4 37 -33 6
SINCE SEP 1 4 37 -33 6
SINCE JUL 1 4 48 -44 8
COOLING
TODAY 2 2 0 0
MONTH TO DATE 193 90 103 147
SINCE SEP 1 193 90 103 147
SINCE JAN 1 1293 896 397 1191
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 800 AM
LOWEST 38 200 PM
AVERAGE 59
..........................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 99 1966
MINIMUM TEMPERATURE (F) 50 34 1955
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 634 AM PDT SUNSET 647 PM PDT
SEPTEMBER 22 2025.....SUNRISE 635 AM PDT SUNSET 645 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$