133  
CDUS46 KOTX 310839  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
139 AM PDT SUN AUG 31 2025  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 30 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 96 431 PM 104 1929 86 10 95  
MINIMUM 64 532 AM 42 1912 57 7 56  
1941  
1965  
AVERAGE 80 72 8 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.89 1977 0.02 -0.02 0.00  
MONTH TO DATE 0.29 0.49 -0.20 0.44  
SINCE OCT 1 9.22 12.25 -3.03 11.11  
SINCE JAN 1 5.45 8.81 -3.36 6.70  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1954 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 1 -1 0  
MONTH TO DATE 0 1 -1 2  
SINCE JUN 1 15 67 -52 30  
SINCE JUL 1 0 6 -6 2  
 
COOLING  
YESTERDAY 15 7 8 11  
MONTH TO DATE 381 316 65 347  
SINCE JUN 1 1027 764 263 1008  
SINCE JAN 1 1079 800 279 1031    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 57 700 AM  
LOWEST 15 400 PM  
AVERAGE 36  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 106 1967  
2022  
MINIMUM TEMPERATURE (F) 57 44 1907  
 
SUNRISE AND SUNSET  
AUGUST 31 2025........SUNRISE 608 AM PDT SUNSET 728 PM PDT  
SEPTEMBER 1 2025.....SUNRISE 609 AM PDT SUNSET 726 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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