561  
CDUS46 KSEW 270122  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
622 PM PDT THU OCT 26 2023  
   
...............................
 
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR OCTOBER 26 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 52 311 PM 65 1998 57 -5 53  
MINIMUM 37 204 AM 29 1954 45 -8 41  
AVERAGE 45 51 -6 47  
 
PRECIPITATION (IN)  
TODAY 0.00 2.13 1986 0.16 -0.16 0.00  
MONTH TO DATE 2.89 3.07 -0.18 1.30  
SINCE OCT 1 2.89 3.07 -0.18 1.30  
SINCE JAN 1 20.71 26.47 -5.76 26.68  
 
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 20 14 6 18  
MONTH TO DATE 182 275 -93 167  
SINCE SEP 1 290 377 -87 202  
SINCE JUL 1 302 432 -130 222  
 
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 1 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 700 AM  
LOWEST 44 400 PM  
AVERAGE 65  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 67 1968  
MINIMUM TEMPERATURE (F) 45 31 1970  
 
SUNRISE AND SUNSET  
OCTOBER 26 2023.......SUNRISE 744 AM PDT SUNSET 602 PM PDT  
OCTOBER 27 2023.......SUNRISE 745 AM PDT SUNSET 600 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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