300  
CDUS46 KSEW 040116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT THU AUG 03 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 3 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 405 PM 94 2017 79 5 74  
MINIMUM 59 501 AM 46 1956 58 1 53  
AVERAGE 72 68 4 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.47 1996 0.03 -0.03 0.00  
MONTH TO DATE 0.00 0.07 -0.07 0.00  
SINCE OCT 1 29.00 36.83 -7.83 45.18  
SINCE JAN 1 14.11 20.89 -6.78 25.08  
 
SNOWFALL (IN)  
TODAY MM MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 8.1 9.2  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 1  
MONTH TO DATE 0 0 0 1  
SINCE JUN 1 114 149 -35 158  
SINCE JUL 1 2 31 -29 18  
 
COOLING  
TODAY 7 4 3 0  
MONTH TO DATE 20 12 8 9  
SINCE JUN 1 168 137 31 186  
SINCE JAN 1 203 147 56 186    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 600 AM  
LOWEST 31 400 PM  
AVERAGE 55  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 95 1993  
MINIMUM TEMPERATURE (F) 58 44 1950  
 
SUNRISE AND SUNSET  
AUGUST 3 2023........SUNRISE 550 AM PDT SUNSET 840 PM PDT  
AUGUST 4 2023........SUNRISE 551 AM PDT SUNSET 839 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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