502  
CDUS46 KSEW 180116  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT TUE JUN 17 2025  
   
...............................  
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR JUNE 17 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 71 444 PM 87 1958 68 3 60  
MINIMUM 48 416 AM 42 1971 52 -4 50  
2016  
AVERAGE 60 60 0 55  
 
PRECIPITATION (IN)  
TODAY 0.00 0.33 1983 0.05 -0.05 0.01  
MONTH TO DATE T 0.99 -0.99 1.55  
SINCE OCT 1 28.34 30.07 -1.73 32.76  
SINCE JAN 1 13.79 16.69 -2.90 19.48  
 
DEGREE DAYS  
HEATING  
TODAY 5 5 0 10  
MONTH TO DATE 88 105 -17 147  
SINCE JUN 1 88 105 -17 147  
SINCE JUL 1 5102 5049 53 5104  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE JUN 1 2 0 2 0  
SINCE JAN 1 2 1 1 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 400 AM  
LOWEST 41 300 PM  
AVERAGE 61  
   
......................................................  
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 1958  
1982  
MINIMUM TEMPERATURE (F) 52 41 1949  
 
SUNRISE AND SUNSET  
JUNE 17 2025..........SUNRISE 506 AM PDT SUNSET 916 PM PDT  
JUNE 18 2025..........SUNRISE 506 AM PDT SUNSET 916 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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