189
CDUS46 KOTX 152338
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
438 PM PDT MON SEP 15 2025
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 2025
VALID AS OF 0400 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 68 158 PM 101 1937 80 -12 71
MINIMUM 58 702 AM 35 1970 53 5 58
AVERAGE 63 66 -3 65
PRECIPITATION (IN)
TODAY 0.01 0.76 1949 0.01 0.00 T
MONTH TO DATE 0.93 0.27 0.66 0.79
SINCE OCT 1 10.15 12.54 -2.39 11.90
SINCE JAN 1 6.38 9.10 -2.72 7.49
SNOWFALL (IN)
TODAY 0.0 0.0 1998 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 2 2 0 0
MONTH TO DATE 3 21 -18 0
SINCE SEP 1 3 21 -18 0
SINCE JUL 1 3 32 -29 2
COOLING
TODAY 0 3 -3 0
MONTH TO DATE 154 74 80 140
SINCE SEP 1 154 74 80 140
SINCE JAN 1 1254 880 374 1184
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 4.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 49
AVERAGE 73
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 1981
2023
MINIMUM TEMPERATURE (F) 52 35 1965
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 627 AM PDT SUNSET 659 PM PDT
SEPTEMBER 16 2025.....SUNRISE 628 AM PDT SUNSET 657 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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