437  
CDUS46 KSEW 250121  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
621 PM PDT THU OCT 24 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 24 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 55 241 PM 72 1965 58 -3 52  
MINIMUM 45 558 AM 33 1954 45 0 43  
AVERAGE 50 51 -1 48  
 
PRECIPITATION (IN)  
TODAY T 1.10 1985 0.15 -0.15 0.60  
MONTH TO DATE 1.35 2.75 -1.40 2.72  
SINCE OCT 1 1.35 2.75 -1.40 2.72  
SINCE JAN 1 20.13 26.15 -6.02 20.54  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 0.0 0.0  
SINCE JUL 1 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 15 14 1 17  
MONTH TO DATE 234 247 -13 143  
SINCE SEP 1 340 349 -9 251  
SINCE JUL 1 378 404 -26 263  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 42 30 12 26  
SINCE JAN 1 315 263 52 378    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 50 300 PM  
AVERAGE 68  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 67 1965  
1982  
2015  
MINIMUM TEMPERATURE (F) 45 31 1954  
 
SUNRISE AND SUNSET  
OCTOBER 24 2024.......SUNRISE 742 AM PDT SUNSET 604 PM PDT  
OCTOBER 25 2024.......SUNRISE 743 AM PDT SUNSET 602 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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