060  
CDUS46 KSEW 250119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT TUE OCT 24 2023  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 24 2023...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1945 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 52 1255 PM 72 1965 58 -6 57  
MINIMUM 45 435 AM 33 1954 45 0 45  
AVERAGE 49 51 -2 51  
 
PRECIPITATION (IN)  
TODAY 0.16 1.10 1985 0.15 0.01 0.10  
MONTH TO DATE 2.28 2.75 -0.47 0.83  
SINCE OCT 1 2.28 2.75 -0.47 0.83  
SINCE JAN 1 20.10 26.15 -6.05 26.21  
 
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 16 14 2 14  
MONTH TO DATE 142 247 -105 132  
SINCE SEP 1 250 349 -99 167  
SINCE JUL 1 262 404 -142 187  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 13  
SINCE SEP 1 26 30 -4 50  
SINCE JAN 1 378 263 115 394    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 400 PM  
LOWEST 63 100 PM  
AVERAGE 72  
   
......................................................
 
 
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 2023.......SUNRISE 741 AM PDT SUNSET 605 PM PDT  
OCTOBER 25 2023.......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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