557  
CDUS46 KSEW 180927  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PST MON DEC 18 2023  
   
...............................
 
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 17 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 50 200 PM 57 1976 45 5 38  
1994  
MINIMUM 28 505 AM 6 1964 34 -6 33  
AVERAGE 39 39 0 36  
 
PRECIPITATION (IN)  
YESTERDAY T 1.85 1971 0.13 -0.13 0.06  
MONTH TO DATE 4.50 2.34 2.16 0.26  
SINCE OCT 1 12.11 11.39 0.72 8.62  
SINCE JAN 1 21.93 32.72 -10.79 23.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 26 0 29  
MONTH TO DATE 398 420 -22 513  
SINCE DEC 1 398 420 -22 513  
SINCE JUL 1 1734 1789 -55 1764  
 
COOLING  
YESTERDAY 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 2 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 2.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 71 300 PM  
AVERAGE 86  
   
......................................................
 
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 56 1972  
1979  
2014  
MINIMUM TEMPERATURE (F) 34 15 1984  
 
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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