494  
CDUS46 KSEW 270826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT THU JUN 27 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 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 70 200 PM 102 2021 73 -3 74  
MINIMUM 55 525 AM 46 1949 54 1 53  
1960  
1965  
AVERAGE 63 64 -1 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.32 1982 0.04 -0.03 0.00  
MONTH TO DATE 1.17 1.31 -0.14 1.22  
SINCE OCT 1 33.26 36.02 -2.76 28.91  
SINCE JAN 1 16.11 20.08 -3.97 14.02  
 
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 2 3 -1 1  
MONTH TO DATE 126 108 18 111  
SINCE JUN 1 126 108 18 111  
SINCE JUL 1 4277 4366 -89 4432  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 16 28 -12 20  
SINCE JUN 1 16 28 -12 20  
SINCE JAN 1 23 38 -15 55    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1000 PM  
LOWEST 52 1200 PM  
AVERAGE 68  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 104 2021  
MINIMUM TEMPERATURE (F) 54 45 1949  
 
SUNRISE AND SUNSET  
JUNE 27 2024..........SUNRISE 514 AM PDT SUNSET 910 PM PDT  
JUNE 28 2024..........SUNRISE 515 AM PDT SUNSET 910 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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