876  
CDUS46 KSEW 290116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT FRI JUN 28 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 28 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 71 459 PM 108 2021 74 -3 79  
MINIMUM 54 153 AM 45 1949 55 -1 54  
1954  
AVERAGE 63 64 -1 67  
 
PRECIPITATION (IN)  
TODAY 0.00 1.15 1946 0.03 -0.03 0.00  
MONTH TO DATE 1.19 1.38 -0.19 1.22  
SINCE OCT 1 33.28 36.09 -2.81 28.91  
SINCE JAN 1 16.13 20.15 -4.02 14.02  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 2 2 0 0  
MONTH TO DATE 132 113 19 112  
SINCE JUN 1 132 113 19 112  
SINCE JUL 1 4283 4371 -88 4433  
 
COOLING  
TODAY 0 2 -2 2  
MONTH TO DATE 16 32 -16 22  
SINCE JUN 1 16 32 -16 22  
SINCE JAN 1 23 42 -19 57    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 100 AM  
LOWEST 44 400 PM  
AVERAGE 62  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1987  
MINIMUM TEMPERATURE (F) 55 45 1949  
 
SUNRISE AND SUNSET  
JUNE 28 2024..........SUNRISE 515 AM PDT SUNSET 910 PM PDT  
JUNE 29 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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