539  
CDUS46 KOTX 210445  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
945 PM PDT FRI JUN 20 2025  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR JUNE 20 2025
 
 
VALID TODAY AS OF 0900 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 70 1259 PM 103 1918 80 -10 91  
MINIMUM 57 759 PM 39 1894 55 2 53  
AVERAGE 64 67 -3 72  
 
PRECIPITATION (IN)  
TODAY T 0.94 1950 0.03 -0.03 T  
MONTH TO DATE 0.03 0.92 -0.89 0.66  
SINCE OCT 1 8.81 10.96 -2.15 10.60  
SINCE JAN 1 5.04 7.52 -2.48 6.19  
 
DEGREE DAYS  
HEATING  
TODAY 1 2 -1 0  
MONTH TO DATE 5 51 -46 28  
SINCE JUN 1 5 51 -46 28  
SINCE JUL 1 4530 4970 -440 4572  
 
COOLING  
TODAY 0 4 -4 7  
MONTH TO DATE 128 53 75 60  
SINCE JUN 1 128 53 75 60  
SINCE JAN 1 180 89 91 83    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 500 PM  
LOWEST 34 100 PM  
AVERAGE 49  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 103 1973  
MINIMUM TEMPERATURE (F) 55 43 1960  
 
SUNRISE AND SUNSET  
JUNE 20 2025..........SUNRISE 456 AM PDT SUNSET 844 PM PDT  
JUNE 21 2025..........SUNRISE 456 AM PDT SUNSET 844 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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