379  
CDUS46 KOTX 160445  
CLILWS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SPOKANE WA  
945 PM PDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 15 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 91 348 PM 101 1937 80 11 75  
MINIMUM 55 453 AM 35 1970 53 2 55  
AVERAGE 73 66 7 65  
 
PRECIPITATION (IN)  
TODAY 0.00 0.76 1949 0.01 -0.01 0.00  
MONTH TO DATE 0.16 0.27 -0.11 0.13  
SINCE OCT 1 10.05 12.54 -2.49 14.34  
SINCE JAN 1 5.52 9.10 -3.58 9.92  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 0  
MONTH TO DATE 0 21 -21 0  
SINCE SEP 1 0 21 -21 0  
SINCE JUL 1 1 32 -31 0  
 
COOLING  
TODAY 8 3 5 0  
MONTH TO DATE 101 74 27 110  
SINCE SEP 1 101 74 27 110  
SINCE JAN 1 1285 880 405 1111    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 3.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 600 AM  
LOWEST 13 400 PM  
AVERAGE 38  
   
......................................................
 
 
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1981  
MINIMUM TEMPERATURE (F) 52 35 1965  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 626 AM PDT SUNSET 700 PM PDT  
SEPTEMBER 16 2023.....SUNRISE 627 AM PDT SUNSET 658 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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