849  
CDUS46 KSEW 040830  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
130 AM PDT SAT MAY 04 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 3 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 66 140 PM 77 1992 64 2 73  
MINIMUM 46 537 AM 35 1950 46 0 51  
AVERAGE 56 55 1 62  
 
PRECIPITATION (IN)  
YESTERDAY T 1.31 2014 0.07 -0.07 0.00  
MONTH TO DATE T 0.21 -0.21 0.03  
SINCE OCT 1 30.55 33.04 -2.49 26.79  
SINCE JAN 1 13.40 17.10 -3.70 11.90  
 
SNOWFALL (IN)  
YESTERDAY MM MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.3 8.1  
SINCE JUL 1 0.3 8.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 10 -1 3  
MONTH TO DATE 36 31 5 20  
SINCE MAR 1 1005 1000 5 1098  
SINCE JUL 1 3895 4047 -152 4185  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 1100 PM  
LOWEST 38 300 PM  
AVERAGE 58  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 85 1992  
MINIMUM TEMPERATURE (F) 46 33 1962  
 
SUNRISE AND SUNSET  
MAY 4 2024...........SUNRISE 547 AM PDT SUNSET 826 PM PDT  
MAY 5 2024...........SUNRISE 545 AM PDT SUNSET 827 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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