841  
CDUS46 KSEW 150826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT FRI MAR 15 2024  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MARCH 14 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 57 359 PM 66 1947 54 3 51  
MINIMUM 35 638 AM 26 1953 40 -5 34  
AVERAGE 46 47 -1 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.76 1984 0.14 -0.14 T  
MONTH TO DATE 1.14 1.95 -0.81 1.98  
SINCE OCT 1 28.44 27.43 1.01 22.32  
SINCE JAN 1 11.29 11.49 -0.20 7.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.2 1977 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 19 18 1 22  
MONTH TO DATE 319 267 52 334  
SINCE MAR 1 319 267 52 334  
SINCE JUL 1 3209 3314 -105 3421  
 
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 4 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 700 AM  
LOWEST 43 200 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 72 1947  
MINIMUM TEMPERATURE (F) 40 30 1955  
1956  
 
SUNRISE AND SUNSET  
MARCH 15 2024.........SUNRISE 721 AM PDT SUNSET 716 PM PDT  
MARCH 16 2024.........SUNRISE 719 AM PDT SUNSET 717 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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