Climatological Report (Daily)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
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CDUS46 KOTX 120840
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
140 AM PDT SAT SEP 12 2026
...................................
...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 350 PM 103 1944 82 -5 84
MINIMUM 57 1132 PM 36 1895 54 3 58
AVERAGE 67 68 -1 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.47 1927 0.02 -0.02 0.30
MONTH TO DATE 0.82 0.20 0.62 0.39
SINCE OCT 1 13.28 12.47 0.81 9.61
SINCE JAN 1 9.91 9.03 0.88 5.84
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 0
MONTH TO DATE 18 13 5 0
SINCE SEP 1 18 13 5 0
SINCE JUL 1 19 24 -5 0
COOLING
YESTERDAY 2 4 -2 6
MONTH TO DATE 18 59 -41 142
SINCE SEP 1 18 59 -41 142
SINCE JAN 1 892 865 27 1242
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 4.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 64 700 AM
LOWEST 23 300 PM
AVERAGE 44
..........................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 98 1944
MINIMUM TEMPERATURE (F) 54 36 1895
1970
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 622 AM PDT SUNSET 705 PM PDT
SEPTEMBER 13 2026.....SUNRISE 624 AM PDT SUNSET 703 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$