035
CDUS46 KOTX 150857
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
157 AM PDT TUE SEP 15 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 421 PM 100 1937 81 -11 69
MINIMUM 52 100 AM 32 1970 53 -1 58
AVERAGE 61 67 -6 64
PRECIPITATION (IN)
YESTERDAY T 1.73 1955 0.02 -0.02 0.52
MONTH TO DATE 1.56 0.26 1.30 0.92
SINCE OCT 1 14.02 12.53 1.49 10.14
SINCE JAN 1 10.65 9.09 1.56 6.37
SNOWFALL (IN)
YESTERDAY 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
YESTERDAY 4 2 2 1
MONTH TO DATE 29 19 10 1
SINCE SEP 1 29 19 10 1
SINCE JUL 1 30 30 0 1
COOLING
YESTERDAY 0 4 -4 0
MONTH TO DATE 20 71 -51 154
SINCE SEP 1 20 71 -51 154
SINCE JAN 1 894 877 17 1254
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 100 AM
LOWEST 38 400 PM
AVERAGE 68
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 101 1937
MINIMUM TEMPERATURE (F) 53 35 1970
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 626 AM PDT SUNSET 659 PM PDT
SEPTEMBER 16 2026.....SUNRISE 627 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page