738  
CDUS46 KOTX 012338  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
438 PM PDT THU MAY 01 2025  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 1 2025
 
 
VALID AS OF 0400 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 78 259 PM 87 1931 67 11 61  
1937  
1998  
MINIMUM 43 404 AM 23 1954 44 -1 35  
AVERAGE 61 56 5 48  
 
PRECIPITATION (IN)  
TODAY 0.00 0.77 1920 0.04 -0.04 0.00  
MONTH TO DATE 0.00 0.04 -0.04 0.00  
SINCE OCT 1 8.19 8.39 -0.20 9.15  
SINCE JAN 1 4.42 4.95 -0.53 4.74  
 
SNOWFALL (IN)  
TODAY MM T 1963 0.0 MM 0.0  
MONTH TO DATE MM 0.0 MM 0.0  
SINCE MAR 1 0.0 0.8 -0.8 T  
SINCE JUL 1 11.6 12.7 -1.1 13.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 4 10 -6 17  
MONTH TO DATE 4 10 -6 17  
SINCE MAR 1 842 1025 -183 953  
SINCE JUL 1 4383 4742 -359 4383  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 1 2 -1 0  
SINCE JAN 1 1 2 -1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 4.8  
 
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 82  
LOWEST 26  
AVERAGE 54  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 91 1937  
MINIMUM TEMPERATURE (F) 44 28 1954  
 
SUNRISE AND SUNSET  
MAY 1 2025...........SUNRISE 533 AM PDT SUNSET 758 PM PDT  
MAY 2 2025...........SUNRISE 532 AM PDT SUNSET 759 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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