871  
CDUS46 KSEW 120827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT WED JUN 12 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 11 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 67 254 PM 87 2019 70 -3 71  
MINIMUM 52 1159 PM 40 1952 52 0 54  
AVERAGE 60 61 -1 63  
 
PRECIPITATION (IN)  
YESTERDAY T 1.16 2001 0.05 -0.05 0.00  
MONTH TO DATE 1.11 0.61 0.50 0.42  
SINCE OCT 1 33.20 35.32 -2.12 28.11  
SINCE JAN 1 16.05 19.38 -3.33 13.22  
 
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 5 4 1 2  
MONTH TO DATE 58 55 3 43  
SINCE JUN 1 58 55 3 43  
SINCE JUL 1 4209 4313 -104 4364  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 11 -10 11  
SINCE JUN 1 1 11 -10 11  
SINCE JAN 1 8 21 -13 46    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 300 AM  
LOWEST 45 300 PM  
AVERAGE 60  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 95 2019  
MINIMUM TEMPERATURE (F) 53 38 1952  
 
SUNRISE AND SUNSET  
JUNE 12 2024..........SUNRISE 512 AM PDT SUNSET 907 PM PDT  
JUNE 13 2024..........SUNRISE 512 AM PDT SUNSET 907 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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