656  
CDUS46 KSEW 210128  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
628 PM PDT WED AUG 20 2025  
   
...............................
 
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR AUGUST 20 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 72 314 PM 87 2018 73 -1 69  
MINIMUM 57 628 AM 44 1952 54 3 56  
1966  
AVERAGE 65 64 1 63  
 
PRECIPITATION (IN)  
TODAY 0.00 0.92 1989 0.04 -0.04 T  
MONTH TO DATE 1.67 0.66 1.01 0.24  
SINCE OCT 1 31.33 32.23 -0.90 34.50  
SINCE JAN 1 16.78 18.85 -2.07 21.22  
 
DEGREE DAYS  
HEATING  
TODAY 0 2 -2 2  
MONTH TO DATE 13 36 -23 23  
SINCE JUN 1 233 267 -34 266  
SINCE JUL 1 74 103 -29 64  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 26 20 6 22  
SINCE JUN 1 70 59 11 72  
SINCE JAN 1 70 60 10 72    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 47 300 PM  
AVERAGE 70  
   
......................................................
 
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 85 1958  
2018  
MINIMUM TEMPERATURE (F) 54 42 1955  
 
SUNRISE AND SUNSET  
AUGUST 20 2025........SUNRISE 611 AM PDT SUNSET 815 PM PDT  
AUGUST 21 2025........SUNRISE 612 AM PDT SUNSET 813 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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