305  
CDUS46 KSEW 290828  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
128 AM PDT FRI MAR 29 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 28 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 54 234 PM 73 1994 56 -2 59  
MINIMUM 45 1157 PM 26 1954 41 4 49  
AVERAGE 50 48 2 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.87 2014 0.12 -0.06 0.00  
MONTH TO DATE 2.19 3.81 -1.62 2.16  
SINCE OCT 1 29.49 29.29 0.20 22.50  
SINCE JAN 1 12.34 13.35 -1.01 7.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1967 0.0  
MONTH TO DATE 0.3 T  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 16 -1 11  
MONTH TO DATE 502 509 -7 541  
SINCE MAR 1 502 509 -7 541  
SINCE JUL 1 3392 3556 -164 3628  
 
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 22 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 50 500 PM  
AVERAGE 71  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 78 2004  
MINIMUM TEMPERATURE (F) 41 24 1954  
 
SUNRISE AND SUNSET  
MARCH 29 2024.........SUNRISE 653 AM PDT SUNSET 736 PM PDT  
MARCH 30 2024.........SUNRISE 651 AM PDT SUNSET 737 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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