378  
CDUS46 KSEW 040219  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PST SUN DEC 03 2023  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 3 2023...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 54 248 PM 60 1965 48 6 43  
2015  
MINIMUM 43 902 AM 27 1994 38 5 33  
AVERAGE 49 43 6 38  
 
PRECIPITATION (IN)  
TODAY 0.22 3.77 2007 0.19 0.03 0.32  
MONTH TO DATE 1.28 0.57 0.71 0.54  
SINCE OCT 1 9.95 10.79 -0.84 7.88  
SINCE JAN 1 27.77 34.19 -6.42 33.26  
 
SNOWFALL (IN)  
TODAY 0.0 2.6 2022 2.6  
MONTH TO DATE 0.0 3.3  
SINCE OCT 1 0.0 4.4  
SINCE JUL 1 0.0 4.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 16 22 -6 27  
MONTH TO DATE 55 66 -11 91  
SINCE DEC 1 55 66 -11 91  
SINCE JUL 1 1058 1127 -69 1041  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 378 263 115 394    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1100 AM  
LOWEST 63 300 PM  
AVERAGE 80  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 60 1945  
MINIMUM TEMPERATURE (F) 38 21 1994  
 
SUNRISE AND SUNSET  
DECEMBER 3 2023......SUNRISE 738 AM PST SUNSET 420 PM PST  
DECEMBER 4 2023......SUNRISE 739 AM PST SUNSET 419 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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