469  
CDUS46 KSEW 170118  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT TUE SEP 16 2025  
   
...............................  
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 16 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1949 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85R 434 PM 82 1967 68 17 66  
MINIMUM 47 615 AM 36 1992 50 -3 44  
AVERAGE 66 59 7 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.85 1958 0.07 -0.07 T  
MONTH TO DATE 0.10 0.96 -0.86 0.59  
SINCE OCT 1 31.43 33.66 -2.23 37.46  
SINCE JAN 1 16.88 20.28 -3.40 24.18  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 10  
MONTH TO DATE 33 77 -44 73  
SINCE SEP 1 33 77 -44 73  
SINCE JUL 1 122 209 -87 191  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 5 0 5 10  
SINCE SEP 1 5 0 5 10  
SINCE JAN 1 92 71 21 82    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 1.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 41 400 PM  
AVERAGE 71  
   
......................................................  
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 81 1991  
MINIMUM TEMPERATURE (F) 49 37 1971  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2025.....SUNRISE 649 AM PDT SUNSET 720 PM PDT  
SEPTEMBER 17 2025.....SUNRISE 650 AM PDT SUNSET 718 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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