165  
CDUS46 KSEW 060223  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
623 PM PST TUE DEC 05 2023  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR DECEMBER 5 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 59R 247 AM 58 2020 48 11 41  
MINIMUM 49 450 PM 23 1956 38 11 35  
2013  
AVERAGE 54 43 11 38  
 
PRECIPITATION (IN)  
TODAY 2.01R 1.67 1970 0.19 1.82 T  
MONTH TO DATE 4.65 0.95 3.70 0.85  
SINCE OCT 1 13.32 11.17 2.15 8.19  
SINCE JAN 1 31.14 34.57 -3.43 33.57  
 
SNOWFALL (IN)  
TODAY 0.0 2.6 1956 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 11 22 -11 27  
MONTH TO DATE 80 110 -30 148  
SINCE DEC 1 80 110 -30 148  
SINCE JUL 1 1083 1171 -88 1098  
 
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 8 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 89 400 PM  
AVERAGE 93  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 57 1965  
MINIMUM TEMPERATURE (F) 38 19 1956  
 
SUNRISE AND SUNSET  
DECEMBER 5 2023......SUNRISE 740 AM PST SUNSET 419 PM PST  
DECEMBER 6 2023......SUNRISE 742 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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