589  
CDUS46 KSEW 100931  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
131 AM PST SAT FEB 10 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 9 2024...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 240 PM 63 2016 50 -1 57  
MINIMUM 37 1159 PM 25 2019 38 -1 42  
AVERAGE 43 44 -1 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.98 1951 0.14 -0.13 0.09  
MONTH TO DATE 0.57 1.33 -0.76 0.93  
SINCE OCT 1 24.03 23.05 0.98 18.91  
SINCE JAN 1 6.88 7.11 -0.23 4.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.0 1985 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 T 5.9  
SINCE JUL 1 T 5.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 21 1 15  
MONTH TO DATE 176 194 -18 181  
SINCE DEC 1 1470 1592 -122 1644  
SINCE JUL 1 2473 2653 -180 2594  
 
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 E (110)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 700 AM  
LOWEST 60 200 PM  
AVERAGE 76  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 65 1963  
MINIMUM TEMPERATURE (F) 38 21 2019  
 
SUNRISE AND SUNSET  
FEBRUARY 10 2024......SUNRISE 723 AM PST SUNSET 524 PM PST  
FEBRUARY 11 2024......SUNRISE 721 AM PST SUNSET 526 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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