635  
CDUS46 KSEW 090926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST THU NOV 09 2023  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 8 2023...  
 
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)  
YESTERDAY  
MAXIMUM 54 248 PM 70 2016 54 0 43  
MINIMUM 42 1021 PM 26 1945 42 0 35  
AVERAGE 48 48 0 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 2000 0.21 -0.21 T  
MONTH TO DATE 4.09 1.57 2.52 1.67  
SINCE OCT 1 6.98 5.48 1.50 4.18  
SINCE JAN 1 24.80 28.88 -4.08 29.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1992 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 17 17 0 26  
MONTH TO DATE 104 131 -27 173  
SINCE SEP 1 497 582 -85 441  
SINCE JUL 1 509 637 -128 461  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 26 30 -4 50  
SINCE JAN 1 378 263 115 394    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 400 AM  
LOWEST 59 200 PM  
AVERAGE 72  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 64 1997  
2016  
MINIMUM TEMPERATURE (F) 42 27 1948  
 
SUNRISE AND SUNSET  
NOVEMBER 9 2023......SUNRISE 705 AM PST SUNSET 441 PM PST  
NOVEMBER 10 2023......SUNRISE 706 AM PST SUNSET 439 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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