946  
CDUS46 KSEW 120116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT THU JUL 11 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 11 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 83 402 PM 98 2007 77 6 77  
MINIMUM 57 457 AM 49 1960 56 1 55  
AVERAGE 70 67 3 66  
 
PRECIPITATION (IN)  
TODAY 0.00 0.25 1983 0.03 -0.03 0.00  
MONTH TO DATE 0.00 0.27 -0.27 0.00  
SINCE OCT 1 33.28 36.43 -3.15 28.91  
SINCE JAN 1 16.13 20.49 -4.36 14.02  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 2 17 -15 2  
SINCE JUN 1 134 135 -1 114  
SINCE JUL 1 2 17 -15 2  
 
COOLING  
TODAY 5 3 2 1  
MONTH TO DATE 87 23 64 38  
SINCE JUN 1 106 52 54 67  
SINCE JAN 1 113 62 51 102    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 500 AM  
LOWEST 33 200 PM  
AVERAGE 58  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 97 1961  
MINIMUM TEMPERATURE (F) 57 47 1954  
 
SUNRISE AND SUNSET  
JULY 11 2024..........SUNRISE 524 AM PDT SUNSET 905 PM PDT  
JULY 12 2024..........SUNRISE 525 AM PDT SUNSET 904 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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