814  
CDUS46 KSEW 110117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT SAT AUG 10 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 10 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 453 PM 98 1981 78 -1 74  
MINIMUM 58 651 AM 46 1954 58 0 60  
AVERAGE 68 68 0 67  
 
PRECIPITATION (IN)  
TODAY 0.00 0.38 2019 0.03 -0.03 0.00  
MONTH TO DATE 0.00 0.23 -0.23 0.04  
SINCE OCT 1 33.44 36.99 -3.55 29.04  
SINCE JAN 1 16.29 21.05 -4.76 14.15  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 2 3 -1 0  
SINCE JUN 1 141 152 -11 114  
SINCE JUL 1 9 34 -25 2  
 
COOLING  
TODAY 3 4 -1 2  
MONTH TO DATE 53 40 13 49  
SINCE JUN 1 236 165 71 197  
SINCE JAN 1 243 175 68 232    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 51 300 PM  
AVERAGE 72  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 2014  
MINIMUM TEMPERATURE (F) 58 46 1954  
 
SUNRISE AND SUNSET  
AUGUST 10 2024........SUNRISE 600 AM PDT SUNSET 828 PM PDT  
AUGUST 11 2024........SUNRISE 601 AM PDT SUNSET 827 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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