190  
CDUS46 KSEW 140826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT FRI MAR 14 2025  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 13 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 48 1147 AM 70 1979 54 -6 52  
MINIMUM 35 1144 PM 28 1954 40 -5 39  
1967  
AVERAGE 42 47 -5 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.35 0.70 1961 0.14 0.21 0.00  
MONTH TO DATE 1.41 1.81 -0.40 1.14  
SINCE OCT 1 20.21 27.29 -7.08 28.65  
SINCE JAN 1 6.81 11.35 -4.54 11.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.7 1955 0.0  
MONTH TO DATE 0.0 0.3  
SINCE OCT 1 2.3 0.3  
SINCE JUL 1 2.3 0.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 18 5 19  
MONTH TO DATE 250 249 1 300  
SINCE MAR 1 250 249 1 300  
SINCE JUL 1 3407 3296 111 3211  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 62 1200 PM  
AVERAGE 80  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 66 1947  
MINIMUM TEMPERATURE (F) 40 26 1953  
 
SUNRISE AND SUNSET  
MARCH 14 2025.........SUNRISE 723 AM PDT SUNSET 714 PM PDT  
MARCH 15 2025.........SUNRISE 721 AM PDT SUNSET 715 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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