922  
CDUS46 KSEW 020116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT TUE AUG 01 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 1 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 83 332 PM 92 1949 79 4 81  
2015  
MINIMUM 58 521 AM 48 1945 58 0 61  
AVERAGE 71 68 3 71  
 
PRECIPITATION (IN)  
TODAY 0.00 0.52 1964 0.02 -0.02 0.00  
MONTH TO DATE 0.00 0.02 -0.02 0.00  
SINCE OCT 1 29.00 36.78 -7.78 45.18  
SINCE JAN 1 14.11 20.84 -6.73 25.08  
 
SNOWFALL (IN)  
TODAY MM MM MM 0.0  
MONTH TO DATE MM 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 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 114 149 -35 157  
SINCE JUL 1 2 31 -29 17  
 
COOLING  
TODAY 6 4 2 6  
MONTH TO DATE 6 4 2 6  
SINCE JUN 1 154 129 25 183  
SINCE JAN 1 189 139 50 183    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 400 AM  
LOWEST 28 400 PM  
AVERAGE 50  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 91 2017  
MINIMUM TEMPERATURE (F) 58 46 1953  
 
SUNRISE AND SUNSET  
AUGUST 1 2023........SUNRISE 547 AM PDT SUNSET 843 PM PDT  
AUGUST 2 2023........SUNRISE 548 AM PDT SUNSET 842 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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