180  
CDUS46 KSEW 250845  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
145 AM PDT FRI OCT 25 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 24 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 55 241 PM 72 1965 58 -3 52  
MINIMUM 45 1159 PM 33 1954 45 0 43  
AVERAGE 50 51 -1 48  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 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 4 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 50 300 PM  
AVERAGE 68  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 67 1965  
1982  
2015  
MINIMUM TEMPERATURE (F) 45 31 1954  
 
SUNRISE AND SUNSET  
OCTOBER 25 2024.......SUNRISE 743 AM PDT SUNSET 602 PM PDT  
OCTOBER 26 2024.......SUNRISE 745 AM PDT SUNSET 601 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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