588  
CDUS46 KOTX 210825  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
125 AM PDT THU SEP 21 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 20 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 64 245 PM 102 1939 78 -14 82  
MINIMUM 46 554 AM 34 1983 51 -5 51  
AVERAGE 55 64 -9 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.31 0.53 1969 0.02 0.29 0.00  
MONTH TO DATE 0.47 0.38 0.09 0.18  
SINCE OCT 1 10.36 12.65 -2.29 14.39  
SINCE JAN 1 5.83 9.21 -3.38 9.97  
 
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 SEP 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 10 3 7 0  
MONTH TO DATE 13 34 -21 3  
SINCE SEP 1 13 34 -21 3  
SINCE JUL 1 14 45 -31 3  
 
COOLING  
YESTERDAY 0 2 -2 2  
MONTH TO DATE 126 88 38 114  
SINCE SEP 1 126 88 38 114  
SINCE JAN 1 1310 894 416 1115    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 900 PM  
LOWEST 40 1000 AM  
AVERAGE 63  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 101 1967  
MINIMUM TEMPERATURE (F) 51 29 1895  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2023.....SUNRISE 634 AM PDT SUNSET 648 PM PDT  
SEPTEMBER 22 2023.....SUNRISE 635 AM PDT SUNSET 646 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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