160  
CDUS46 KOTX 200855  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
155 AM PDT SUN AUG 20 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 19 2023
 
 
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)  
YESTERDAY  
MAXIMUM 92 357 PM 109 1897 89 3 101  
MINIMUM 57 523 AM 45 1916 60 -3 72  
AVERAGE 75 75 0 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.59 1918 0.02 -0.02 0.00  
MONTH TO DATE 0.03 0.29 -0.26 0.02  
SINCE OCT 1 9.09 12.05 -2.96 14.07  
SINCE JAN 1 4.56 8.61 -4.05 9.65  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 1998 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 10 10 0 22  
MONTH TO DATE 293 224 69 306  
SINCE JUN 1 959 672 287 822  
SINCE JAN 1 1089 708 381 828    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 33 500 AM  
LOWEST 11 500 PM  
AVERAGE 22  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 111 1897  
MINIMUM TEMPERATURE (F) 60 41 1945  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 553 AM PDT SUNSET 749 PM PDT  
AUGUST 21 2023........SUNRISE 554 AM PDT SUNSET 747 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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