209  
CDUS46 KSEW 230826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT WED OCT 23 2024  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 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 57 139 PM 70 1965 58 -1 MM  
MINIMUM 44 1028 PM 34 1950 46 -2 MM  
AVERAGE 51 52 -1 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.26 2014 0.15 -0.15 0.00  
MONTH TO DATE 1.35 2.44 -1.09 2.12  
SINCE OCT 1 1.35 2.44 -1.09 2.12  
SINCE JAN 1 20.13 25.84 -5.71 19.94  
 
SNOWFALL (IN)  
YESTERDAY 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 MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 13 1 MM  
MONTH TO DATE 202 220 -18 126  
SINCE SEP 1 308 322 -14 234  
SINCE JUL 1 346 377 -31 246  
 
COOLING  
YESTERDAY 0 0 0 MM  
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 S (180)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 900 PM  
LOWEST 53 300 PM  
AVERAGE 73  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 73 1965  
1992  
MINIMUM TEMPERATURE (F) 45 32 1953  
 
SUNRISE AND SUNSET  
OCTOBER 23 2024.......SUNRISE 740 AM PDT SUNSET 606 PM PDT  
OCTOBER 24 2024.......SUNRISE 742 AM PDT SUNSET 604 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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