389
CDUS46 KOTX 180851
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
151 AM PDT THU SEP 18 2025
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 88 356 PM 101 1938 79 9 70
MINIMUM 58 619 AM 28 1965 52 6 58
AVERAGE 73 66 7 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.54 1947 0.02 -0.02 T
MONTH TO DATE 0.93 0.31 0.62 0.82
SINCE OCT 1 10.15 12.58 -2.43 11.93
SINCE JAN 1 6.38 9.14 -2.76 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 2 -2 1
MONTH TO DATE 4 25 -21 2
SINCE SEP 1 4 25 -21 2
SINCE JUL 1 4 36 -32 4
COOLING
YESTERDAY 8 3 5 0
MONTH TO DATE 163 80 83 140
SINCE SEP 1 163 80 83 140
SINCE JAN 1 1263 886 377 1184
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 3.6
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 84 600 AM
LOWEST 23 400 PM
AVERAGE 54
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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 35 1965
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 630 AM PDT SUNSET 653 PM PDT
SEPTEMBER 19 2025.....SUNRISE 632 AM PDT SUNSET 651 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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