849  
CDUS46 KSEW 270830  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
130 AM PDT SAT APR 27 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 26 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 61 458 PM 82 1947 62 -1 67  
2018  
MINIMUM 49 1119 PM 32 1948 45 4 43  
AVERAGE 55 53 2 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.37 1959 0.09 -0.01 0.00  
MONTH TO DATE 0.51 2.85 -2.34 3.86  
SINCE OCT 1 30.17 32.50 -2.33 26.76  
SINCE JAN 1 13.02 16.56 -3.54 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 10 12 -2 10  
MONTH TO DATE 354 367 -13 470  
SINCE MAR 1 903 924 -21 1062  
SINCE JUL 1 3793 3971 -178 4149  
 
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 7 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 PM  
LOWEST 49 300 PM  
AVERAGE 71  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 81 1987  
MINIMUM TEMPERATURE (F) 45 31 1948  
 
SUNRISE AND SUNSET  
APRIL 27 2024.........SUNRISE 558 AM PDT SUNSET 816 PM PDT  
APRIL 28 2024.........SUNRISE 556 AM PDT SUNSET 818 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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