469  
CDUS46 KSEW 251658 CCA  
CLISEA  
 
CLIMATE REPORT...CORRECTED PRECIP  
NATIONAL WEATHER SERVICE SEATTLE  
958 AM PDT THU APR 25 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 24 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 54 159 PM 77 2018 61 -7 58  
MINIMUM 46 457 AM 30 1950 45 1 45  
AVERAGE 50 53 -3 52  
 
PRECIPITATION (IN)  
YESTERDAY M 0.70 1948 0.10 -0.10 0.03  
MONTH TO DATE 0.43 2.67 -2.24 3.86  
SINCE OCT 1 30.09 32.32 -2.23 26.76  
SINCE JAN 1 12.94 16.38 -3.44 11.87  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1991 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 15 12 3 13  
MONTH TO DATE 344 343 1 447  
SINCE MAR 1 893 900 -7 1039  
SINCE JUL 1 3783 3947 -164 4126  
 
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 (200)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 600 PM  
LOWEST 56 1200 AM  
AVERAGE 74  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 77 1992  
MINIMUM TEMPERATURE (F) 45 34 1948  
 
SUNRISE AND SUNSET  
APRIL 25 2024.........SUNRISE 601 AM PDT SUNSET 814 PM PDT  
APRIL 26 2024.........SUNRISE 600 AM PDT SUNSET 815 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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