053  
CDUS46 KSEW 160927  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PST SUN FEB 16 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 15 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 43 622 PM 65 1996 50 -7 44  
MINIMUM 37 701 AM 13 1956 38 -1 35  
AVERAGE 40 44 -4 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.63 2017 0.13 -0.07 0.23  
MONTH TO DATE 0.69 2.13 -1.44 1.45  
SINCE OCT 1 16.01 23.85 -7.84 25.12  
SINCE JAN 1 2.61 7.91 -5.30 7.97  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.3 1980 T  
MONTH TO DATE 2.3 T  
SINCE OCT 1 2.3 T  
SINCE JUL 1 2.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 21 4 25  
MONTH TO DATE 453 320 133 303  
SINCE DEC 1 1891 1718 173 1618  
SINCE JUL 1 2932 2779 153 2621  
 
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 3 RESULTANT WIND DIRECTION SE (130)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 70 100 PM  
AVERAGE 81  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 59 2015  
MINIMUM TEMPERATURE (F) 38 13 1956  
 
SUNRISE AND SUNSET  
FEBRUARY 16 2025......SUNRISE 712 AM PST SUNSET 535 PM PST  
FEBRUARY 17 2025......SUNRISE 710 AM PST SUNSET 537 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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