834  
CDUS46 KSEW 190927  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PST TUE NOV 19 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 18 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 43 351 PM 59 1965 52 -9 51  
MINIMUM 39 1159 PM 28 1946 40 -1 35  
AVERAGE 41 46 -5 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 2.06 2003 0.22 -0.15 0.27  
MONTH TO DATE 3.36 3.76 -0.40 5.36  
SINCE OCT 1 6.40 7.67 -1.27 8.25  
SINCE JAN 1 25.18 31.07 -5.89 26.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.4 1946 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 24 19 5 22  
MONTH TO DATE 305 312 -7 305  
SINCE SEP 1 747 763 -16 698  
SINCE JUL 1 785 818 -33 710  
 
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 11 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 200 AM  
LOWEST 70 700 PM  
AVERAGE 80  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 60 1965  
1987  
2008  
MINIMUM TEMPERATURE (F) 40 23 1946  
 
SUNRISE AND SUNSET  
NOVEMBER 19 2024......SUNRISE 721 AM PST SUNSET 428 PM PST  
NOVEMBER 20 2024......SUNRISE 722 AM PST SUNSET 427 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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