166
CDUS46 KOTX 210859
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
159 AM PDT SUN SEP 21 2025
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 89 359 PM 102 1939 78 11 74
MINIMUM 58 544 AM 34 1983 51 7 55
AVERAGE 74 64 10 65
PRECIPITATION (IN)
YESTERDAY 0.00 0.53 1969 0.02 -0.02 0.00
MONTH TO DATE 0.93 0.38 0.55 0.82
SINCE OCT 1 10.15 12.65 -2.50 11.93
SINCE JAN 1 6.38 9.21 -2.83 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 34 -30 2
SINCE SEP 1 4 34 -30 2
SINCE JUL 1 4 45 -41 4
COOLING
YESTERDAY 9 2 7 0
MONTH TO DATE 191 88 103 147
SINCE SEP 1 191 88 103 147
SINCE JAN 1 1291 894 397 1191
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WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 2.9
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 70 700 AM
LOWEST 21 400 PM
AVERAGE 46
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THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 101 1967
MINIMUM TEMPERATURE (F) 51 29 1895
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 634 AM PDT SUNSET 647 PM PDT
SEPTEMBER 22 2025.....SUNRISE 635 AM PDT SUNSET 645 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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