689  
CDUS46 KOTX 050833  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
133 AM PDT SAT SEP 05 2026  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 72 426 PM 101 1942 84 -12 97  
2020  
MINIMUM 52 601 AM 39 1894 56 -4 66  
1956  
AVERAGE 62 70 -8 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.48 1960 0.02 -0.01 0.00  
MONTH TO DATE 0.76 0.07 0.69 0.00  
SINCE OCT 1 13.22 12.34 0.88 9.22  
SINCE JAN 1 9.85 8.90 0.95 5.45  
 
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 3 1 2 0  
MONTH TO DATE 8 4 4 0  
SINCE SEP 1 8 4 4 0  
SINCE JUL 1 9 15 -6 0  
 
COOLING  
YESTERDAY 0 6 -6 17  
MONTH TO DATE 6 25 -19 75  
SINCE SEP 1 6 25 -19 75  
SINCE JAN 1 880 831 49 1175    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 1200 AM  
LOWEST 28 400 PM  
AVERAGE 56  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 103 1944  
MINIMUM TEMPERATURE (F) 56 40 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2026.....SUNRISE 614 AM PDT SUNSET 719 PM PDT  
SEPTEMBER 6 2026.....SUNRISE 615 AM PDT SUNSET 717 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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