521  
CDUS46 KSEW 140926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST WED FEB 14 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 13 2024...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 128 PM 60 2015 50 -1 46  
MINIMUM 40 1047 PM 18 1949 38 2 33  
AVERAGE 45 44 1 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1982 0.12 -0.12 0.35  
MONTH TO DATE 1.17 1.87 -0.70 1.29  
SINCE OCT 1 24.63 23.59 1.04 19.27  
SINCE JAN 1 7.48 7.65 -0.17 4.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.9 2021 0.4  
MONTH TO DATE 0.0 0.4  
SINCE OCT 1 T 6.3  
SINCE JUL 1 T 6.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 21 -1 25  
MONTH TO DATE 256 278 -22 270  
SINCE DEC 1 1550 1676 -126 1733  
SINCE JUL 1 2553 2737 -184 2683  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 63 100 PM  
AVERAGE 78  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 63 1991  
MINIMUM TEMPERATURE (F) 38 22 1990  
1995  
 
SUNRISE AND SUNSET  
FEBRUARY 14 2024......SUNRISE 717 AM PST SUNSET 531 PM PST  
FEBRUARY 15 2024......SUNRISE 715 AM PST SUNSET 532 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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