851  
CDUS46 KSEW 260841  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
141 AM PDT FRI APR 26 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 25 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 53 529 PM 77 1992 61 -8 59  
MINIMUM 48 416 AM 34 1948 45 3 44  
AVERAGE 51 53 -2 52  
 
PRECIPITATION (IN)  
YESTERDAY MM 0.59 2020 0.09 MM 0.00  
MONTH TO DATE 0.43 2.76 -2.33 3.86  
SINCE OCT 1 30.09 32.41 -2.32 26.76  
SINCE JAN 1 12.94 16.47 -3.53 11.87  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 T  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 12 2 13  
MONTH TO DATE 358 355 3 460  
SINCE MAR 1 907 912 -5 1052  
SINCE JUL 1 3797 3959 -162 4139  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 83 600 PM  
AVERAGE 92  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 82 1947  
2018  
MINIMUM TEMPERATURE (F) 45 32 1948  
 
SUNRISE AND SUNSET  
APRIL 26 2024.........SUNRISE 600 AM PDT SUNSET 815 PM PDT  
APRIL 27 2024.........SUNRISE 558 AM PDT SUNSET 816 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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