366  
CDUS46 KOTX 210445  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
945 PM PDT MON APR 20 2026  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR APRIL 20 2026
 
 
VALID TODAY AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 437 PM 88 1906 63 15 62  
1934  
1942  
MINIMUM 44 453 AM 23 1927 41 3 42  
1951  
AVERAGE 61 52 9 52  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1996 0.04 -0.04 0.02  
MONTH TO DATE 1.73 0.96 0.77 0.49  
SINCE OCT 1 10.55 7.87 2.68 8.18  
SINCE JAN 1 7.18 4.43 2.75 4.41  
 
DEGREE DAYS  
HEATING  
TODAY 4 13 -9 13  
MONTH TO DATE 250 296 -46 262  
SINCE MAR 1 803 904 -101 765  
SINCE JUL 1 3929 4621 -692 4306  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 3.5  
 
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 83 1200 AM  
LOWEST 27 400 PM  
AVERAGE 55  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 91 1906  
MINIMUM TEMPERATURE (F) 42 22 1951  
 
SUNRISE AND SUNSET  
APRIL 20 2026.........SUNRISE 552 AM PDT SUNSET 743 PM PDT  
APRIL 21 2026.........SUNRISE 550 AM PDT SUNSET 744 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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