641
CDUS46 KOTX 170845
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
145 AM PDT THU SEP 17 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 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 79 354 PM 97 1981 80 -1 81
2023
MINIMUM 50 557 AM 35 1965 52 -2 50
AVERAGE 65 66 -1 66
PRECIPITATION (IN)
YESTERDAY 0.00 0.83 1947 0.02 -0.02 0.00
MONTH TO DATE 1.56 0.29 1.27 0.93
SINCE OCT 1 14.02 12.56 1.46 10.15
SINCE JAN 1 10.65 9.12 1.53 6.38
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 0 2 -2 0
MONTH TO DATE 36 23 13 4
SINCE SEP 1 36 23 13 4
SINCE JUL 1 37 34 3 4
COOLING
YESTERDAY 0 3 -3 1
MONTH TO DATE 20 77 -57 155
SINCE SEP 1 20 77 -57 155
SINCE JAN 1 894 883 11 1255
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 33 300 PM
AVERAGE 60
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THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 101 1938
MINIMUM TEMPERATURE (F) 52 28 1965
SUNRISE AND SUNSET
SEPTEMBER 17 2026.....SUNRISE 629 AM PDT SUNSET 655 PM PDT
SEPTEMBER 18 2026.....SUNRISE 630 AM PDT SUNSET 653 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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