741  
CDUS46 KSEW 290116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT WED AUG 28 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 28 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 70 335 PM 95 1967 76 -6 67  
MINIMUM 50 552 AM 46 1952 56 -6 61  
AVERAGE 60 66 -6 64  
 
PRECIPITATION (IN)  
TODAY 0.00 0.47 1975 0.04 -0.04 0.00  
MONTH TO DATE 1.66 0.85 0.81 0.12  
SINCE OCT 1 35.10 37.61 -2.51 29.12  
SINCE JAN 1 17.95 21.67 -3.72 14.23  
 
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 5 1 4 1  
MONTH TO DATE 29 21 8 4  
SINCE JUN 1 168 170 -2 118  
SINCE JUL 1 36 52 -16 6  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 69 92 -23 167  
SINCE JUN 1 252 217 35 315  
SINCE JAN 1 259 227 32 350    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 45 200 PM  
AVERAGE 67  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 91 1974  
MINIMUM TEMPERATURE (F) 56 44 1951  
 
SUNRISE AND SUNSET  
AUGUST 28 2024........SUNRISE 624 AM PDT SUNSET 756 PM PDT  
AUGUST 29 2024........SUNRISE 625 AM PDT SUNSET 754 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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