291  
CDUS46 KOTX 020839  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
139 AM PDT SAT AUG 02 2025  
   
...............................  
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 156 PM 106 1971 94 -13 105  
2009  
2015  
MINIMUM 68 437 AM 48 1897 63 5 68  
AVERAGE 75 78 -3 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.36 1960 0.01 0.00 0.00  
MONTH TO DATE 0.01 0.01 0.00 0.00  
SINCE OCT 1 8.94 11.77 -2.83 10.67  
SINCE JAN 1 5.17 8.33 -3.16 6.26  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 15 66 -51 28  
SINCE JUL 1 0 5 -5 0  
 
COOLING  
YESTERDAY 10 13 -3 22  
MONTH TO DATE 10 13 -3 22  
SINCE JUN 1 656 461 195 683  
SINCE JAN 1 708 497 211 706    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 1200 PM  
LOWEST 51 200 PM  
AVERAGE 65  
   
......................................................  
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 94 111 2024  
MINIMUM TEMPERATURE (F) 63 44 1956  
 
SUNRISE AND SUNSET  
AUGUST 2 2025........SUNRISE 531 AM PDT SUNSET 817 PM PDT  
AUGUST 3 2025........SUNRISE 532 AM PDT SUNSET 815 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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