215  
CDUS46 KSEW 010927  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PST SUN FEB 01 2026  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 31 2026...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 57 421 PM 61 1960 49 8 50  
MINIMUM 46 1137 PM 0 1950 38 8 39  
AVERAGE 52 44 8 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.93 1987 0.17 -0.09 0.71  
MONTH TO DATE 4.27 5.78 -1.51 1.92  
SINCE OCT 1 21.05 21.72 -0.67 15.32  
SINCE JAN 1 4.27 5.78 -1.51 1.92  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1969 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 13 22 -9 20  
MONTH TO DATE 662 690 -28 792  
SINCE DEC 1 1268 1401 -133 1438  
SINCE JUL 1 2182 2462 -280 2479  
 
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 1 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 3.1  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 77 900 PM  
AVERAGE 89  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 63 1962  
MINIMUM TEMPERATURE (F) 38 1 1950  
 
SUNRISE AND SUNSET  
FEBRUARY 1 2026......SUNRISE 735 AM PST SUNSET 511 PM PST  
FEBRUARY 2 2026......SUNRISE 734 AM PST SUNSET 513 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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