428  
CDUS46 KSEW 120828  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PDT TUE SEP 12 2023  
   
...............................
 
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 11 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 69 312 PM 83 1975 69 0 77  
2013  
MINIMUM 59 631 AM 39 1988 51 8 51  
AVERAGE 64 60 4 64  
 
PRECIPITATION (IN)  
YESTERDAY T 0.67 1966 0.07 -0.07 T  
MONTH TO DATE 0.25 0.64 -0.39 T  
SINCE OCT 1 20.56 33.34 -12.78 37.83  
SINCE JAN 1 8.92 19.96 -11.04 15.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 5 -4 1  
MONTH TO DATE 35 48 -13 17  
SINCE SEP 1 35 48 -13 17  
SINCE JUL 1 105 180 -75 62  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 1  
SINCE SEP 1 1 0 1 1  
SINCE JAN 1 111 71 40 168    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 67 1100 PM  
AVERAGE 84  
   
......................................................
 
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 80 1975  
MINIMUM TEMPERATURE (F) 50 33 1949  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 642 AM PDT SUNSET 729 PM PDT  
SEPTEMBER 13 2023.....SUNRISE 644 AM PDT SUNSET 727 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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