757  
CDUS46 KSEW 210223  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
623 PM PST SAT JAN 20 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 20 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 51 242 PM 64 1981 48 3 47  
MINIMUM 35 723 AM 16 1954 38 -3 35  
1962  
AVERAGE 43 43 0 41  
 
PRECIPITATION (IN)  
TODAY 0.00 1.66 1972 0.19 -0.19 0.00  
MONTH TO DATE 2.82 3.83 -1.01 2.72  
SINCE OCT 1 19.97 19.77 0.20 17.61  
SINCE JAN 1 2.82 3.83 -1.01 2.72  
 
SNOWFALL (IN)  
TODAY 0.0 1.5 1951 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  
TODAY 22 22 0 24  
MONTH TO DATE 543 448 95 376  
SINCE DEC 1 1139 1159 -20 1181  
SINCE JUL 1 2142 2220 -78 2131  
 
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 2 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 900 AM  
LOWEST 61 200 PM  
AVERAGE 79  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 62 1981  
MINIMUM TEMPERATURE (F) 38 13 1962  
 
SUNRISE AND SUNSET  
JANUARY 20 2024.......SUNRISE 749 AM PST SUNSET 452 PM PST  
JANUARY 21 2024.......SUNRISE 748 AM PST SUNSET 454 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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