689  
CDUS46 KSEW 220217  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PST THU NOV 21 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 21 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 50 125 PM 62 1954 51 -1 54  
MINIMUM 41 608 AM 21 1977 40 1 37  
1985  
AVERAGE 46 45 1 46  
 
PRECIPITATION (IN)  
TODAY 0.01 1.26 1980 0.21 -0.20 0.17  
MONTH TO DATE 3.74 4.42 -0.68 5.53  
SINCE OCT 1 6.78 8.33 -1.55 8.42  
SINCE JAN 1 25.56 31.73 -6.17 26.24  
 
SNOWFALL (IN)  
TODAY 0.0 7.8 1985 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  
TODAY 19 20 -1 19  
MONTH TO DATE 363 370 -7 364  
SINCE SEP 1 805 821 -16 757  
SINCE JUL 1 843 876 -33 769  
 
COOLING  
TODAY 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 3 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 PM  
LOWEST 58 1200 PM  
AVERAGE 72  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 68 2017  
MINIMUM TEMPERATURE (F) 40 14 1985  
 
SUNRISE AND SUNSET  
NOVEMBER 21 2024......SUNRISE 723 AM PST SUNSET 427 PM PST  
NOVEMBER 22 2024......SUNRISE 725 AM PST SUNSET 426 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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