258  
CDUS46 KOTX 120445  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
945 PM PDT THU SEP 11 2025  
   
...............................  
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 2025  
 
VALID TODAY AS OF 0900 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 319 PM 103 1944 82 2 71  
MINIMUM 58 557 AM 36 1895 54 4 58  
AVERAGE 71 68 3 65  
 
PRECIPITATION (IN)  
TODAY 0.01 0.47 1927 0.02 -0.01 0.34  
MONTH TO DATE 0.10 0.20 -0.10 0.35  
SINCE OCT 1 9.32 12.47 -3.15 11.46  
SINCE JAN 1 5.55 9.03 -3.48 7.05  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 0 13 -13 0  
SINCE SEP 1 0 13 -13 0  
SINCE JUL 1 0 24 -24 2  
 
COOLING  
TODAY 6 4 2 0  
MONTH TO DATE 142 59 83 133  
SINCE SEP 1 142 59 83 133  
SINCE JAN 1 1242 865 377 1177    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 600 AM  
LOWEST 34 400 PM  
AVERAGE 62  
   
......................................................  
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 98 1944  
MINIMUM TEMPERATURE (F) 54 36 1895  
1970  
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2025.....SUNRISE 621 AM PDT SUNSET 707 PM PDT  
SEPTEMBER 12 2025.....SUNRISE 623 AM PDT SUNSET 705 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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