670  
CDUS46 KSEW 080927  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PST WED NOV 08 2023  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 7 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 55 1248 PM 66 2016 54 1 45  
MINIMUM 45 1108 PM 28 1945 43 2 37  
AVERAGE 50 48 2 41  
 
PRECIPITATION (IN)  
YESTERDAY T 1.93 1995 0.20 -0.20 0.23  
MONTH TO DATE 4.09 1.36 2.73 1.67  
SINCE OCT 1 6.98 5.27 1.71 4.18  
SINCE JAN 1 24.80 28.67 -3.87 29.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1945 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 15 17 -2 24  
MONTH TO DATE 87 114 -27 147  
SINCE SEP 1 480 565 -85 415  
SINCE JUL 1 492 620 -128 435  
 
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 6 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 100 AM  
LOWEST 61 1200 PM  
AVERAGE 76  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 70 2016  
MINIMUM TEMPERATURE (F) 42 26 1945  
 
SUNRISE AND SUNSET  
NOVEMBER 8 2023......SUNRISE 703 AM PST SUNSET 442 PM PST  
NOVEMBER 9 2023......SUNRISE 705 AM PST SUNSET 441 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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