941  
CDUS46 KSEW 300827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT FRI AUG 30 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 29 2024...  
 
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)  
YESTERDAY  
MAXIMUM 79 402 PM 91 1974 76 3 62  
MINIMUM 53 552 AM 44 1951 56 -3 58  
AVERAGE 66 66 0 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 2015 0.04 -0.04 0.12  
MONTH TO DATE 1.66 0.89 0.77 0.24  
SINCE OCT 1 35.10 37.65 -2.55 29.24  
SINCE JAN 1 17.95 21.71 -3.76 14.35  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 1 -1 5  
MONTH TO DATE 29 22 7 9  
SINCE JUN 1 168 171 -3 123  
SINCE JUL 1 36 53 -17 11  
 
COOLING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 70 94 -24 167  
SINCE JUN 1 253 219 34 315  
SINCE JAN 1 260 229 31 350    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 42 400 PM  
AVERAGE 66  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 90 2022  
MINIMUM TEMPERATURE (F) 56 45 1950  
 
SUNRISE AND SUNSET  
AUGUST 30 2024........SUNRISE 626 AM PDT SUNSET 752 PM PDT  
AUGUST 31 2024........SUNRISE 628 AM PDT SUNSET 750 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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