539  
CDUS46 KSEW 250118  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT SAT AUG 24 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR AUGUST 24 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 62 352 PM 88 1982 77 -15 78  
MINIMUM 55 831 AM 45 1951 57 -2 56  
AVERAGE 59 67 -8 67  
 
PRECIPITATION (IN)  
TODAY 0.34 1.00 2004 0.04 0.30 0.00  
MONTH TO DATE 1.52 0.69 0.83 0.10  
SINCE OCT 1 34.96 37.45 -2.49 29.10  
SINCE JAN 1 17.81 21.51 -3.70 14.21  
 
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 6 1 5 0  
MONTH TO DATE 19 17 2 3  
SINCE JUN 1 158 166 -8 117  
SINCE JUL 1 26 48 -22 5  
 
COOLING  
TODAY 0 2 -2 2  
MONTH TO DATE 69 84 -15 142  
SINCE JUN 1 252 209 43 290  
SINCE JAN 1 259 219 40 325    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 AM  
LOWEST 81 400 PM  
AVERAGE 87  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 91 2016  
MINIMUM TEMPERATURE (F) 57 45 1954  
 
SUNRISE AND SUNSET  
AUGUST 24 2024........SUNRISE 618 AM PDT SUNSET 803 PM PDT  
AUGUST 25 2024........SUNRISE 620 AM PDT SUNSET 802 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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