655  
CDUS46 KSEW 240220  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
620 PM PST TUE JAN 23 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 23 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 52 1246 PM 56 2001 49 3 46  
2005  
MINIMUM 46 719 AM 16 1949 38 8 35  
AVERAGE 49 43 6 41  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 16 22 -6 24  
MONTH TO DATE 596 514 82 452  
SINCE DEC 1 1192 1225 -33 1257  
SINCE JUL 1 2195 2286 -91 2207  
 
COOLING  
TODAY 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 S (190)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 900 AM  
LOWEST 74 200 PM  
AVERAGE 84  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 58 1995  
2015  
MINIMUM TEMPERATURE (F) 38 10 1950  
 
SUNRISE AND SUNSET  
JANUARY 23 2024.......SUNRISE 746 AM PST SUNSET 457 PM PST  
JANUARY 24 2024.......SUNRISE 745 AM PST SUNSET 458 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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