130  
CDUS46 KSEW 160220  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
620 PM PST WED NOV 15 2023  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 15 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 48 234 PM 62 2001 52 -4 54  
2021  
MINIMUM 37 150 AM 6 1955 41 -4 34  
AVERAGE 43 47 -4 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.09 2007 0.22 -0.22 0.00  
MONTH TO DATE 5.09 3.09 2.00 1.67  
SINCE OCT 1 7.98 7.00 0.98 4.18  
SINCE JAN 1 25.80 30.40 -4.60 29.56  
 
SNOWFALL (IN)  
TODAY 0.0 0.2 1975 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  
TODAY 22 18 4 21  
MONTH TO DATE 237 255 -18 333  
SINCE SEP 1 630 706 -76 601  
SINCE JUL 1 642 761 -119 621  
 
COOLING  
TODAY 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 4 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 300 AM  
LOWEST 60 400 PM  
AVERAGE 79  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 68 1965  
MINIMUM TEMPERATURE (F) 41 21 1955  
 
SUNRISE AND SUNSET  
NOVEMBER 15 2023......SUNRISE 714 AM PST SUNSET 433 PM PST  
NOVEMBER 16 2023......SUNRISE 715 AM PST SUNSET 432 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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