239  
CDUS46 KSEW 300928  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PST TUE JAN 30 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JANUARY 29 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 61R 214 AM 60 1992 49 12 40  
MINIMUM 51 309 AM 6 1950 38 13 28  
AVERAGE 56 43 13 34  
 
PRECIPITATION (IN)  
YESTERDAY T 1.63 2004 0.18 -0.18 0.00  
MONTH TO DATE 6.17 5.44 0.73 3.09  
SINCE OCT 1 23.32 21.38 1.94 17.98  
SINCE JAN 1 6.17 5.44 0.73 3.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 1969 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 9 22 -13 31  
MONTH TO DATE 679 646 33 596  
SINCE DEC 1 1275 1357 -82 1401  
SINCE JUL 1 2278 2418 -140 2351  
 
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 4 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 700 PM  
LOWEST 62 200 AM  
AVERAGE 74  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 59 1992  
MINIMUM TEMPERATURE (F) 38 7 1950  
 
SUNRISE AND SUNSET  
JANUARY 30 2024.......SUNRISE 738 AM PST SUNSET 507 PM PST  
JANUARY 31 2024.......SUNRISE 737 AM PST SUNSET 509 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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