011  
CDUS46 KSEW 300827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT THU MAY 30 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 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 63 300 PM 85 1973 69 -6 68  
MINIMUM 48 304 AM 35 1951 51 -3 48  
AVERAGE 56 60 -4 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.83 1969 0.06 0.05 0.00  
MONTH TO DATE 1.54 1.77 -0.23 0.93  
SINCE OCT 1 32.09 34.60 -2.51 27.69  
SINCE JAN 1 14.94 18.66 -3.72 12.80  
 
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 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 6 3 7  
MONTH TO DATE 278 230 48 139  
SINCE MAR 1 1247 1199 48 1217  
SINCE JUL 1 4137 4246 -109 4304  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 7 0 7 35  
SINCE MAR 1 7 1 6 35  
SINCE JAN 1 7 1 6 35    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 500 AM  
LOWEST 51 300 PM  
AVERAGE 69  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 87 1956  
2007  
MINIMUM TEMPERATURE (F) 51 36 1951  
 
SUNRISE AND SUNSET  
MAY 30 2024...........SUNRISE 517 AM PDT SUNSET 857 PM PDT  
MAY 31 2024...........SUNRISE 516 AM PDT SUNSET 858 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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