062  
CDUS46 KSEW 160827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT TUE JUL 16 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 15 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 80 524 PM 93 2018 78 2 91  
MINIMUM 56 133 AM 49 1982 57 -1 61  
AVERAGE 68 67 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.11 1998 0.02 -0.02 0.00  
2001  
MONTH TO DATE 0.00 0.34 -0.34 0.00  
SINCE OCT 1 33.28 36.50 -3.22 28.91  
SINCE JAN 1 16.13 20.56 -4.43 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 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 2 21 -19 2  
SINCE JUN 1 134 139 -5 114  
SINCE JUL 1 2 21 -19 2  
 
COOLING  
YESTERDAY 3 3 0 11  
MONTH TO DATE 110 35 75 59  
SINCE JUN 1 129 64 65 88  
SINCE JAN 1 136 74 62 123    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 100 AM  
LOWEST 41 500 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 1979  
MINIMUM TEMPERATURE (F) 57 50 1953  
1968  
 
SUNRISE AND SUNSET  
JULY 16 2024..........SUNRISE 529 AM PDT SUNSET 901 PM PDT  
JULY 17 2024..........SUNRISE 530 AM PDT SUNSET 900 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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