982  
CDUS46 KSEW 100826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT FRI MAY 10 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 9 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 74 526 PM 86 2020 65 9 64  
MINIMUM 45 451 AM 38 1955 48 -3 48  
1985  
1999  
AVERAGE 60 56 4 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.74 2000 0.06 -0.06 T  
MONTH TO DATE 0.28 0.61 -0.33 0.79  
SINCE OCT 1 30.83 33.44 -2.61 27.55  
SINCE JAN 1 13.68 17.50 -3.82 12.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1953 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 5 9 -4 9  
MONTH TO DATE 111 88 23 83  
SINCE MAR 1 1080 1057 23 1161  
SINCE JUL 1 3970 4104 -134 4248  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 500 AM  
LOWEST 37 600 PM  
AVERAGE 60  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 87 2020  
MINIMUM TEMPERATURE (F) 48 37 1947  
 
SUNRISE AND SUNSET  
MAY 10 2024...........SUNRISE 538 AM PDT SUNSET 834 PM PDT  
MAY 11 2024...........SUNRISE 537 AM PDT SUNSET 835 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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