800
CDUS46 KOTX 190844
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
144 AM PDT FRI SEP 19 2025
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 18 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 90 329 PM 101 1938 79 11 79
MINIMUM 59 613 AM 35 1965 52 7 58
AVERAGE 75 65 10 69
PRECIPITATION (IN)
YESTERDAY 0.00 0.78 1940 0.02 -0.02 0.00
MONTH TO DATE 0.93 0.33 0.60 0.82
SINCE OCT 1 10.15 12.60 -2.45 11.93
SINCE JAN 1 6.38 9.16 -2.78 7.52
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 3 -3 0
MONTH TO DATE 4 28 -24 2
SINCE SEP 1 4 28 -24 2
SINCE JUL 1 4 39 -35 4
COOLING
YESTERDAY 10 3 7 4
MONTH TO DATE 173 83 90 144
SINCE SEP 1 173 83 90 144
SINCE JAN 1 1273 889 384 1188
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 3.2
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 69 500 AM
LOWEST 25 300 PM
AVERAGE 47
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THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 100 1922
MINIMUM TEMPERATURE (F) 51 30 1895
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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