157  
CDUS46 KSEW 060927  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PST MON JAN 06 2025  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 5 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 49 552 PM 59 2023 47 2 47  
MINIMUM 44 155 AM 15 1982 37 7 40  
AVERAGE 47 42 5 44  
 
PRECIPITATION (IN)  
YESTERDAY T 1.33 2006 0.19 -0.19 0.23  
MONTH TO DATE 0.81 0.96 -0.15 0.71  
SINCE OCT 1 14.20 16.90 -2.70 17.86  
SINCE JAN 1 0.81 0.96 -0.15 0.71  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1959 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  
YESTERDAY 18 23 -5 21  
MONTH TO DATE 109 115 -6 107  
SINCE DEC 1 753 826 -73 703  
SINCE JUL 1 1794 1887 -93 1706  
 
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 4 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 PM  
LOWEST 93 1200 AM  
AVERAGE 97  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 57 2002  
2003  
MINIMUM TEMPERATURE (F) 37 14 1982  
 
SUNRISE AND SUNSET  
JANUARY 6 2025.......SUNRISE 756 AM PST SUNSET 435 PM PST  
JANUARY 7 2025.......SUNRISE 756 AM PST SUNSET 436 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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