855  
CDUS46 KSEW 230116  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
616 PM PDT TUE OCT 22 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 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 57 139 PM 70 1965 58 -1 MM  
MINIMUM 44 708 AM 34 1950 46 -2 MM  
AVERAGE 51 52 -1 MM  
 
PRECIPITATION (IN)  
TODAY 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)  
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 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  
TODAY 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 4 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 7.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 500 AM  
LOWEST 53 300 PM  
AVERAGE 68  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 73 1965  
1992  
MINIMUM TEMPERATURE (F) 45 32 1953  
 
SUNRISE AND SUNSET  
OCTOBER 22 2024.......SUNRISE 739 AM PDT SUNSET 607 PM PDT  
OCTOBER 23 2024.......SUNRISE 740 AM PDT SUNSET 606 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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