316  
CDUS46 KSEW 050827  
CLIBLI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT TUE SEP 05 2023  
   
...............................
 
 
   
..THE BELLINGHAM WA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 4 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 66 413 PM 87 2017 71 -5 71  
MINIMUM 53 1148 PM 38 1952 52 1 56  
AVERAGE 60 61 -1 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.44 1960 0.06 -0.06 T  
MONTH TO DATE 0.25 0.22 0.03 T  
SINCE OCT 1 20.56 32.92 -12.36 37.83  
SINCE JAN 1 8.92 19.54 -10.62 15.19  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 4 1 1  
MONTH TO DATE 8 16 -8 2  
SINCE SEP 1 8 16 -8 2  
SINCE JUL 1 78 148 -70 47  
 
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 14 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 68 300 PM  
AVERAGE 84  
   
......................................................
 
 
THE BELLINGHAM WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 86 1973  
MINIMUM TEMPERATURE (F) 52 39 1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 5 2023.....SUNRISE 633 AM PDT SUNSET 744 PM PDT  
SEPTEMBER 6 2023.....SUNRISE 634 AM PDT SUNSET 742 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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