674  
CDUS46 KSEW 240827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT THU OCT 24 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 23 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 53 259 PM 73 1965 58 -5 MM  
1992  
MINIMUM 43 748 AM 32 1953 45 -2 MM  
AVERAGE 48 52 -4 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1960 0.16 -0.16 0.00  
MONTH TO DATE 1.35 2.60 -1.25 2.12  
SINCE OCT 1 1.35 2.60 -1.25 2.12  
SINCE JAN 1 20.13 26.00 -5.87 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 17 13 4 MM  
MONTH TO DATE 219 233 -14 126  
SINCE SEP 1 325 335 -10 234  
SINCE JUL 1 363 390 -27 246  
 
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 3 RESULTANT WIND DIRECTION SE (150)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 100 AM  
LOWEST 66 300 PM  
AVERAGE 81  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 72 1965  
MINIMUM TEMPERATURE (F) 45 33 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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