651  
CDUS46 KOTX 302336  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
436 PM PDT WED APR 30 2025  
   
...............................  
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR APRIL 30 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 69 253 PM 87 1981 67 2 56  
MINIMUM 44 405 AM 27 1894 44 0 37  
AVERAGE 57 55 2 47  
 
PRECIPITATION (IN)  
TODAY 0.00 0.58 1987 0.05 -0.05 0.01  
MONTH TO DATE 0.50 1.44 -0.94 1.30  
SINCE OCT 1 8.19 8.35 -0.16 9.15  
SINCE JAN 1 4.42 4.91 -0.49 4.74  
 
SNOWFALL (IN)  
TODAY MM T 1988 0.0 MM MM  
MONTH TO DATE 0.0 0.0 0.0 T  
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 8 10 -2 18  
MONTH TO DATE 335 407 -72 365  
SINCE MAR 1 838 1015 -177 936  
SINCE JUL 1 4379 4732 -353 4366  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 2 -2 0  
SINCE MAR 1 1 2 -1 0  
SINCE JAN 1 1 2 -1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 5.8  
 
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 57  
LOWEST 32  
AVERAGE 45  
   
......................................................  
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 87 1931  
1937  
1998  
MINIMUM TEMPERATURE (F) 44 23 1954  
 
SUNRISE AND SUNSET  
APRIL 30 2025.........SUNRISE 535 AM PDT SUNSET 756 PM PDT  
MAY 1 2025...........SUNRISE 533 AM PDT SUNSET 758 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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