083  
CDUS46 KSEW 160926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST TUE JAN 16 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 15 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 38 131 PM 64 2018 48 -10 50  
MINIMUM 21 444 AM 15 1950 38 -17 44  
AVERAGE 30 43 -13 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.68 1996 0.19 -0.19 0.42  
MONTH TO DATE 2.14 2.87 -0.73 2.46  
SINCE OCT 1 19.29 18.81 0.48 17.35  
SINCE JAN 1 2.14 2.87 -0.73 2.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.6 1969 0.0  
MONTH TO DATE T 0.0  
SINCE OCT 1 T 5.8  
SINCE JUL 1 T 5.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 22 13 18  
MONTH TO DATE 404 338 66 263  
SINCE DEC 1 1000 1049 -49 1068  
SINCE JUL 1 2003 2110 -107 2018  
 
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 8 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 500 AM  
LOWEST 26 100 PM  
AVERAGE 44  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 56 2018  
MINIMUM TEMPERATURE (F) 38 13 1950  
 
SUNRISE AND SUNSET  
JANUARY 16 2024.......SUNRISE 752 AM PST SUNSET 447 PM PST  
JANUARY 17 2024.......SUNRISE 751 AM PST SUNSET 448 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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