868  
CDUS46 KSEW 040826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT SUN OCT 04 2026  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 3 2026...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 415 PM 80 1993 65 2 64  
MINIMUM 54 1159 PM 39 1949 50 4 50  
AVERAGE 61 58 3 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.67 1997 0.08 -0.08 0.00  
MONTH TO DATE 0.00 0.24 -0.24 0.30  
SINCE OCT 1 0.00 0.24 -0.24 0.30  
SINCE JAN 1 21.59 23.64 -2.05 16.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 7 -3 8  
MONTH TO DATE 12 21 -9 15  
SINCE SEP 1 145 123 22 66  
SINCE JUL 1 170 178 -8 90  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 2 30 -28 34  
SINCE JAN 1 267 263 4 328    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 68 300 PM  
AVERAGE 83  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 76 1966  
MINIMUM TEMPERATURE (F) 50 38 1957  
 
SUNRISE AND SUNSET  
OCTOBER 4 2026.......SUNRISE 713 AM PDT SUNSET 642 PM PDT  
OCTOBER 5 2026.......SUNRISE 714 AM PDT SUNSET 640 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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