Climatological Report (Daily)
Issued by NWS Spokane, WA
Issued by NWS Spokane, WA
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CDUS46 KOTX 122345
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
445 PM PDT SAT SEP 12 2026
...................................
...THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2026...
VALID AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 82 259 PM 98 1944 81 1 79
MINIMUM 52 617 AM 36 1895 54 -2 61
1970
AVERAGE 67 67 0 70
PRECIPITATION (IN)
TODAY 0.00 0.97 1895 0.02 -0.02 0.01
MONTH TO DATE 0.82 0.22 0.60 0.40
SINCE OCT 1 13.28 12.49 0.79 9.62
SINCE JAN 1 9.91 9.05 0.86 5.85
SNOWFALL (IN)
TODAY MM 0.0 1998 0.0 MM 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 MM
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 18 15 3 0
SINCE SEP 1 18 15 3 0
SINCE JUL 1 19 26 -7 0
COOLING
TODAY 2 4 -2 5
MONTH TO DATE 20 63 -43 147
SINCE SEP 1 20 63 -43 147
SINCE JAN 1 894 869 25 1247
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 2.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 77
LOWEST 25
AVERAGE 51
..........................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 99 1937
MINIMUM TEMPERATURE (F) 53 33 1921
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.
$$