078  
CDUS46 KSEW 190220  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
620 PM PST MON DEC 18 2023  
   
...............................
 
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 18 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 46 308 PM 56 1972 45 1 39  
1979  
2014  
MINIMUM 36 741 AM 15 1984 34 2 17  
AVERAGE 41 39 2 28  
 
PRECIPITATION (IN)  
TODAY 0.11 0.86 1960 0.13 -0.02 0.07  
MONTH TO DATE 4.61 2.47 2.14 0.33  
SINCE OCT 1 12.22 11.52 0.70 8.69  
SINCE JAN 1 22.04 32.85 -10.81 23.88  
 
DEGREE DAYS  
HEATING  
TODAY 24 26 -2 37  
MONTH TO DATE 422 446 -24 550  
SINCE DEC 1 422 446 -24 550  
SINCE JUL 1 1758 1815 -57 1801  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 111 75 36 168    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 80 1200 PM  
AVERAGE 90  
   
......................................................
 
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 58 1959  
MINIMUM TEMPERATURE (F) 34 12 1990  
 
SUNRISE AND SUNSET  
DECEMBER 18 2023......SUNRISE 759 AM PST SUNSET 415 PM PST  
DECEMBER 19 2023......SUNRISE 759 AM PST SUNSET 415 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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