445  
CDUS46 KSEW 080119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT WED AUG 07 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 7 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 80 443 PM 95 1972 79 1 77  
MINIMUM 54 415 AM 48 1948 58 -4 61  
AVERAGE 67 68 -1 69  
 
PRECIPITATION (IN)  
TODAY 0.00 0.95 1976 0.02 -0.02 0.02  
MONTH TO DATE 0.00 0.15 -0.15 0.04  
SINCE OCT 1 33.44 36.91 -3.47 29.04  
SINCE JAN 1 16.29 20.97 -4.68 14.15  
 
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 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE JUN 1 141 149 -8 114  
SINCE JUL 1 9 31 -22 2  
 
COOLING  
TODAY 2 4 -2 4  
MONTH TO DATE 35 28 7 38  
SINCE JUN 1 218 153 65 186  
SINCE JAN 1 225 163 62 221    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION NW (330)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 44 400 PM  
AVERAGE 67  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1960  
MINIMUM TEMPERATURE (F) 58 47 1974  
 
SUNRISE AND SUNSET  
AUGUST 7 2024........SUNRISE 556 AM PDT SUNSET 833 PM PDT  
AUGUST 8 2024........SUNRISE 557 AM PDT SUNSET 832 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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