333  
CDUS46 KSEW 050926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST FRI JAN 05 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 4 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 46 647 PM 61 1984 47 -1 50  
MINIMUM 41 1159 PM 14 1950 37 4 40  
AVERAGE 44 42 2 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.10 1.56 1967 0.19 -0.09 0.02  
MONTH TO DATE 0.44 0.77 -0.33 0.03  
SINCE OCT 1 17.59 16.71 0.88 14.92  
SINCE JAN 1 0.44 0.77 -0.33 0.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.9 1967 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 5.8  
SINCE JUL 1 0.0 5.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 23 -2 20  
MONTH TO DATE 86 92 -6 91  
SINCE DEC 1 682 803 -121 896  
SINCE JUL 1 1685 1864 -179 1846  
 
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 5 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1000 AM  
LOWEST 80 300 AM  
AVERAGE 90  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 59 2023  
MINIMUM TEMPERATURE (F) 37 15 1982  
 
SUNRISE AND SUNSET  
JANUARY 5 2024.......SUNRISE 756 AM PST SUNSET 433 PM PST  
JANUARY 6 2024.......SUNRISE 756 AM PST SUNSET 434 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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