893  
CDUS46 KOTX 200445  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
945 PM PDT MON MAY 19 2025  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 19 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 64 1231 PM 92 2023 73 -9 66  
MINIMUM 41 333 AM 36 1896 49 -8 48  
AVERAGE 53 61 -8 57  
 
PRECIPITATION (IN)  
TODAY 0.02 0.56 1885 0.06 -0.04 0.00  
MONTH TO DATE 0.51 1.01 -0.50 0.60  
SINCE OCT 1 8.78 9.36 -0.58 9.75  
SINCE JAN 1 5.01 5.92 -0.91 5.34  
 
DEGREE DAYS  
HEATING  
TODAY 12 5 7 8  
MONTH TO DATE 111 138 -27 116  
SINCE MAR 1 961 1153 -192 1052  
SINCE JUL 1 4502 4870 -368 4482  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 8 15 -7 18  
SINCE MAR 1 9 17 -8 18  
SINCE JAN 1 9 17 -8 18    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 200 AM  
LOWEST 39 1000 AM  
AVERAGE 64  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 95 2023  
MINIMUM TEMPERATURE (F) 49 37 1927  
 
SUNRISE AND SUNSET  
MAY 19 2025...........SUNRISE 510 AM PDT SUNSET 820 PM PDT  
MAY 20 2025...........SUNRISE 509 AM PDT SUNSET 821 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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