616  
CDUS46 KSEW 280136  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
636 PM PDT MON MAY 27 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 27 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 67 339 PM 89 2005 68 -1 70  
MINIMUM 51 525 AM 37 1966 51 0 51  
AVERAGE 59 59 0 61  
 
PRECIPITATION (IN)  
TODAY 0.00 0.83 1948 0.05 -0.05 0.00  
MONTH TO DATE 1.40 1.65 -0.25 0.93  
SINCE OCT 1 31.95 34.48 -2.53 27.69  
SINCE JAN 1 14.80 18.54 -3.74 12.80  
 
SNOWFALL (IN)  
TODAY 0.0 T 1951 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  
TODAY 6 6 0 4  
MONTH TO DATE 259 218 41 123  
SINCE MAR 1 1228 1187 41 1201  
SINCE JUL 1 4118 4234 -116 4288  
 
COOLING  
TODAY 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 4 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 5.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 100 AM  
LOWEST 47 300 PM  
AVERAGE 65  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 92 1983  
MINIMUM TEMPERATURE (F) 51 38 1954  
 
SUNRISE AND SUNSET  
MAY 27 2024...........SUNRISE 519 AM PDT SUNSET 854 PM PDT  
MAY 28 2024...........SUNRISE 519 AM PDT SUNSET 855 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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