220  
CDUS46 KOTX 220445  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
945 PM PDT MON AUG 21 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 21 2023
 
 
VALID TODAY AS OF 0900 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1881 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 78 736 AM 110 1897 89 -11 100  
MINIMUM 68 759 PM 45 1945 59 9 71  
AVERAGE 73 74 -1 86  
 
PRECIPITATION (IN)  
TODAY 0.18R 0.18 1978 0.02 0.16 0.00  
MONTH TO DATE 0.21 0.33 -0.12 0.02  
SINCE OCT 1 9.27 12.09 -2.82 14.07  
SINCE JAN 1 4.74 8.65 -3.91 9.65  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 21 66 -45 45  
SINCE JUL 1 0 5 -5 0  
 
COOLING  
TODAY 8 9 -1 21  
MONTH TO DATE 310 243 67 347  
SINCE JUN 1 976 691 285 863  
SINCE JAN 1 1106 727 379 869    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 PM  
LOWEST 25 1200 AM  
AVERAGE 58  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 108 1897  
MINIMUM TEMPERATURE (F) 59 45 1992  
 
SUNRISE AND SUNSET  
AUGUST 21 2023........SUNRISE 554 AM PDT SUNSET 747 PM PDT  
AUGUST 22 2023........SUNRISE 555 AM PDT SUNSET 746 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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