474
CDUS46 KOTX 172345
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
445 PM PDT SUN AUG 17 2025
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 17 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 86 257 PM 108 2008 90 -4 100
MINIMUM 60 545 AM 45 1946 60 0 61
AVERAGE 73 75 -2 81
PRECIPITATION (IN)
TODAY 0.00 0.42 1916 0.01 -0.01 T
MONTH TO DATE 0.19 0.25 -0.06 0.26
SINCE OCT 1 9.12 12.01 -2.89 10.93
SINCE JAN 1 5.35 8.57 -3.22 6.52
SNOWFALL (IN)
TODAY MM 0.0 1998 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 15 66 -51 28
SINCE JUL 1 0 5 -5 0
COOLING
TODAY 8 10 -2 16
MONTH TO DATE 199 204 -5 259
SINCE JUN 1 845 652 193 920
SINCE JAN 1 897 688 209 943
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 34
AVERAGE 62
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 90 111 1940
MINIMUM TEMPERATURE (F) 60 47 1946
1959
1973
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 550 AM PDT SUNSET 753 PM PDT
AUGUST 18 2025........SUNRISE 551 AM PDT SUNSET 752 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page