289  
CDUS46 KSEW 170826  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT SUN SEP 17 2023  
   
...............................
 
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1949 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 336 PM 82 1967 68 0 65  
MINIMUM 46 558 AM 36 1992 50 -4 50  
AVERAGE 57 59 -2 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 1958 0.07 -0.07 0.00  
MONTH TO DATE 0.25 0.96 -0.71 T  
SINCE OCT 1 20.56 33.66 -13.10 37.83  
SINCE JAN 1 8.92 20.28 -11.36 15.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 6 2 7  
MONTH TO DATE 60 77 -17 39  
SINCE SEP 1 60 77 -17 39  
SINCE JUL 1 130 209 -79 84  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 1  
SINCE SEP 1 1 0 1 1  
SINCE JAN 1 111 71 40 168    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 65 300 PM  
AVERAGE 83  
   
......................................................
 
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 81 1991  
MINIMUM TEMPERATURE (F) 49 37 1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 649 AM PDT SUNSET 719 PM PDT  
SEPTEMBER 18 2023.....SUNRISE 651 AM PDT SUNSET 717 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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