362  
CDUS46 KSEW 080224  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
624 PM PST THU DEC 07 2023  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 7 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 47 117 AM 58 2014 48 -1 45  
MINIMUM 37 203 PM 18 1972 37 0 38  
AVERAGE 42 42 0 42  
 
PRECIPITATION (IN)  
TODAY 0.40 1.08 2015 0.19 0.21 0.01  
MONTH TO DATE 5.78 1.33 4.45 0.90  
SINCE OCT 1 14.45 11.55 2.90 8.24  
SINCE JAN 1 32.27 34.95 -2.68 33.62  
 
SNOWFALL (IN)  
TODAY 0.0 2.0 1966 0.0  
MONTH TO DATE 0.0 3.4  
SINCE OCT 1 0.0 4.5  
SINCE JUL 1 0.0 4.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 23 22 1 23  
MONTH TO DATE 120 154 -34 197  
SINCE DEC 1 120 154 -34 197  
SINCE JUL 1 1123 1215 -92 1147  
 
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 (190)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 76 700 AM  
AVERAGE 85  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 60 2015  
MINIMUM TEMPERATURE (F) 37 13 1972  
 
SUNRISE AND SUNSET  
DECEMBER 7 2023......SUNRISE 743 AM PST SUNSET 419 PM PST  
DECEMBER 8 2023......SUNRISE 744 AM PST SUNSET 418 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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