462  
CDUS46 KSEW 280930  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
130 AM PST THU NOV 28 2024  
   
...............................  
 
...THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR NOVEMBER 27 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 45 205 PM 58 2014 50 -5 47  
2018  
2021  
MINIMUM 37 1040 PM 19 1985 39 -2 28  
AVERAGE 41 44 -3 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.84 2018 0.21 -0.16 0.00  
MONTH TO DATE 4.86 5.67 -0.81 5.64  
SINCE OCT 1 7.90 9.58 -1.68 8.53  
SINCE JAN 1 26.68 32.98 -6.30 26.35  
 
SNOWFALL (IN)  
YESTERDAY MM 7.6 1985 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 24 21 3 27  
MONTH TO DATE 482 492 -10 514  
SINCE SEP 1 924 943 -19 907  
SINCE JUL 1 962 998 -36 919  
 
COOLING  
YESTERDAY 0 0 0 0  
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 9 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 AM  
LOWEST 76 200 PM  
AVERAGE 86  
   
......................................................  
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 59 1999  
2021  
MINIMUM TEMPERATURE (F) 39 17 1952  
 
SUNRISE AND SUNSET  
NOVEMBER 28 2024......SUNRISE 733 AM PST SUNSET 422 PM PST  
NOVEMBER 29 2024......SUNRISE 734 AM PST SUNSET 421 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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