344
CDUS46 KOTX 130831
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
131 AM PDT SAT SEP 13 2025
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2025
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)
YESTERDAY
MAXIMUM 79 440 PM 98 1944 81 -2 72
MINIMUM 61 533 AM 36 1895 54 7 57
1970
AVERAGE 70 67 3 65
PRECIPITATION (IN)
YESTERDAY 0.01 0.97 1895 0.02 -0.01 0.43
MONTH TO DATE 0.40 0.22 0.18 0.78
SINCE OCT 1 9.62 12.49 -2.87 11.89
SINCE JAN 1 5.85 9.05 -3.20 7.48
SNOWFALL (IN)
YESTERDAY 0.0 0.0 1998 0.0 0.0 0.0
2001
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 0 15 -15 0
SINCE SEP 1 0 15 -15 0
SINCE JUL 1 0 26 -26 2
COOLING
YESTERDAY 5 4 1 0
MONTH TO DATE 147 63 84 133
SINCE SEP 1 147 63 84 133
SINCE JAN 1 1247 869 378 1177
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1200 AM
LOWEST 42 400 PM
AVERAGE 65
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THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 99 1937
MINIMUM TEMPERATURE (F) 53 33 1921
1970
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 624 AM PDT SUNSET 703 PM PDT
SEPTEMBER 14 2025.....SUNRISE 625 AM PDT SUNSET 701 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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