662  
CDUS46 KSEW 270830  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
130 AM PDT MON MAY 27 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 26 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 59 257 PM 89 2005 68 -9 82  
MINIMUM 48 638 AM 40 1952 51 -3 56  
AVERAGE 54 59 -5 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 0.61 1954 0.06 0.04 0.00  
MONTH TO DATE 1.40 1.60 -0.20 0.93  
SINCE OCT 1 31.95 34.43 -2.48 27.69  
SINCE JAN 1 14.80 18.49 -3.69 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 11 6 5 0  
MONTH TO DATE 253 212 41 119  
SINCE MAR 1 1222 1181 41 1197  
SINCE JUL 1 4112 4228 -116 4284  
 
COOLING  
YESTERDAY 0 0 0 4  
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 7 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 600 AM  
LOWEST 64 400 PM  
AVERAGE 77  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 89 2005  
MINIMUM TEMPERATURE (F) 51 37 1966  
 
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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