362  
CDUS46 KSEW 050118  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT SUN AUG 04 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 4 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 85 401 PM 95 1993 79 6 85  
MINIMUM 57 653 AM 44 1950 58 -1 60  
AVERAGE 71 68 3 73  
 
PRECIPITATION (IN)  
TODAY 0.00 0.61 1962 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.09 -0.09 0.00  
SINCE OCT 1 33.44 36.85 -3.41 29.00  
SINCE JAN 1 16.29 20.91 -4.62 14.11  
 
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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 139 149 -10 114  
SINCE JUL 1 7 31 -24 2  
 
COOLING  
TODAY 6 4 2 8  
MONTH TO DATE 31 16 15 28  
SINCE JUN 1 214 141 73 176  
SINCE JAN 1 221 151 70 211    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 33 400 PM  
AVERAGE 63  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 93 2012  
MINIMUM TEMPERATURE (F) 58 46 1947  
 
SUNRISE AND SUNSET  
AUGUST 4 2024........SUNRISE 552 AM PDT SUNSET 838 PM PDT  
AUGUST 5 2024........SUNRISE 553 AM PDT SUNSET 836 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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