648  
CDUS46 KSEW 110926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST TUE FEB 11 2025  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 10 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 40 203 PM 65 1963 50 -10 50  
MINIMUM 29 1159 PM 21 2019 38 -9 36  
AVERAGE 35 44 -9 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.96 1949 0.14 -0.14 0.00  
MONTH TO DATE 0.59 1.47 -0.88 0.57  
SINCE OCT 1 15.91 23.19 -7.28 24.24  
SINCE JAN 1 2.51 7.25 -4.74 7.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.1 1959 0.0  
MONTH TO DATE 2.3 0.0  
SINCE OCT 1 2.3 T  
SINCE JUL 1 2.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 21 9 22  
MONTH TO DATE 298 215 83 198  
SINCE DEC 1 1736 1613 123 1513  
SINCE JUL 1 2777 2674 103 2516  
 
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 21 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 47 1000 PM  
AVERAGE 68  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 62 1963  
MINIMUM TEMPERATURE (F) 38 23 1948  
 
SUNRISE AND SUNSET  
FEBRUARY 11 2025......SUNRISE 720 AM PST SUNSET 527 PM PST  
FEBRUARY 12 2025......SUNRISE 719 AM PST SUNSET 529 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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