964  
CDUS46 KSEW 140118  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
618 PM PDT SAT APR 13 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 13 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 63 416 PM 75 1980 59 4 52  
MINIMUM 42 242 AM 32 1945 43 -1 38  
2022  
AVERAGE 53 51 2 45  
 
PRECIPITATION (IN)  
TODAY 0.00 1.45 2002 0.12 -0.12 0.00  
MONTH TO DATE 0.40 1.53 -1.13 2.37  
SINCE OCT 1 30.06 31.18 -1.12 25.27  
SINCE JAN 1 12.91 15.24 -2.33 10.38  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 12 14 -2 20  
MONTH TO DATE 205 198 7 249  
SINCE MAR 1 754 755 -1 841  
SINCE JUL 1 3644 3802 -158 3928  
 
COOLING  
TODAY 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 N (10)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 800 AM  
LOWEST 52 400 PM  
AVERAGE 68  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 83 1984  
MINIMUM TEMPERATURE (F) 43 33 1955  
 
SUNRISE AND SUNSET  
APRIL 13 2024.........SUNRISE 623 AM PDT SUNSET 757 PM PDT  
APRIL 14 2024.........SUNRISE 621 AM PDT SUNSET 758 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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