395  
CDUS46 KSEW 240926  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PST WED JAN 24 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 23 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 52 1246 PM 56 2001 49 3 46  
2005  
MINIMUM 43 1021 PM 16 1949 38 5 35  
AVERAGE 48 43 5 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.36 1959 0.18 -0.17 0.00  
MONTH TO DATE 3.98 4.38 -0.40 2.88  
SINCE OCT 1 21.13 20.32 0.81 17.77  
SINCE JAN 1 3.98 4.38 -0.40 2.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1952 0.0  
MONTH TO DATE T T  
SINCE OCT 1 T 5.8  
SINCE JUL 1 T 5.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 22 -5 24  
MONTH TO DATE 597 514 83 452  
SINCE DEC 1 1193 1225 -32 1257  
SINCE JUL 1 2196 2286 -90 2207  
 
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 7 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 900 AM  
LOWEST 74 200 PM  
AVERAGE 84  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 58 1995  
2015  
MINIMUM TEMPERATURE (F) 38 10 1950  
 
SUNRISE AND SUNSET  
JANUARY 24 2024.......SUNRISE 745 AM PST SUNSET 458 PM PST  
JANUARY 25 2024.......SUNRISE 744 AM PST SUNSET 500 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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