448
CDUS46 KOTX 192345
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
445 PM PDT FRI SEP 19 2025
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 19 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 88 256 PM 100 1922 78 10 83
MINIMUM 59 624 AM 30 1895 51 8 53
AVERAGE 74 65 9 68
PRECIPITATION (IN)
TODAY 0.00 0.55 1940 0.03 -0.03 0.00
MONTH TO DATE 0.93 0.36 0.57 0.82
SINCE OCT 1 10.15 12.63 -2.48 11.93
SINCE JAN 1 6.38 9.19 -2.81 7.52
SNOWFALL (IN)
TODAY MM 0.0 1998 0.0 MM 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 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 3 -3 0
MONTH TO DATE 4 31 -27 2
SINCE SEP 1 4 31 -27 2
SINCE JUL 1 4 42 -38 4
COOLING
TODAY 9 3 6 3
MONTH TO DATE 182 86 96 147
SINCE SEP 1 182 86 96 147
SINCE JAN 1 1282 892 390 1191
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WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 2.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64
LOWEST 26
AVERAGE 45
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THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 102 1939
MINIMUM TEMPERATURE (F) 51 34 1983
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 632 AM PDT SUNSET 651 PM PDT
SEPTEMBER 20 2025.....SUNRISE 633 AM PDT SUNSET 649 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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