877  
CDUS46 KSEW 240120  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
620 PM PDT SAT MAR 23 2024  
   
...............................  
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 23 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 53 320 PM 68 1979 55 -2 50  
MINIMUM 47 412 AM 28 1954 41 6 38  
AVERAGE 50 48 2 44  
 
PRECIPITATION (IN)  
TODAY 0.07 0.94 1971 0.13 -0.06 0.04  
MONTH TO DATE 1.57 3.17 -1.60 2.16  
SINCE OCT 1 28.87 28.65 0.22 22.50  
SINCE JAN 1 11.72 12.71 -0.99 7.61  
 
SNOWFALL (IN)  
TODAY 0.0 T 1985 0.0  
2018  
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  
TODAY 15 17 -2 21  
MONTH TO DATE 426 425 1 443  
SINCE MAR 1 426 425 1 443  
SINCE JUL 1 3316 3472 -156 3530  
 
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 3 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 AM  
LOWEST 74 300 PM  
AVERAGE 84  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 68 2010  
MINIMUM TEMPERATURE (F) 41 30 1965  
1975  
 
SUNRISE AND SUNSET  
MARCH 23 2024.........SUNRISE 705 AM PDT SUNSET 727 PM PDT  
MARCH 24 2024.........SUNRISE 703 AM PDT SUNSET 729 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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