607  
CDUS46 KSEW 150826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT TUE OCT 15 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 14 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 66 1051 AM 80 1961 61 5 62  
MINIMUM 55 724 AM 36 1949 47 8 55  
AVERAGE 61 54 7 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.36 2016 0.12 -0.10 0.04  
MONTH TO DATE 0.80 1.38 -0.58 1.45  
SINCE OCT 1 0.80 1.38 -0.58 1.45  
SINCE JAN 1 19.58 24.78 -5.20 19.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 4 11 -7 6  
MONTH TO DATE 109 123 -14 81  
SINCE SEP 1 215 225 -10 189  
SINCE JUL 1 253 280 -27 201  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 42 30 12 26  
SINCE JAN 1 315 263 52 378    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 PM  
LOWEST 65 1100 AM  
AVERAGE 81  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 77 1991  
2022  
MINIMUM TEMPERATURE (F) 47 35 1946  
1952  
 
SUNRISE AND SUNSET  
OCTOBER 15 2024.......SUNRISE 729 AM PDT SUNSET 620 PM PDT  
OCTOBER 16 2024.......SUNRISE 730 AM PDT SUNSET 618 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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