055  
CDUS46 KSEW 080128  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
628 PM PDT SUN MAY 07 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 7 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 62 328 PM 82 2016 65 -3 55  
MINIMUM 49 642 AM 33 1962 47 2 42  
AVERAGE 56 56 0 49  
 
PRECIPITATION (IN)  
TODAY 0.00 0.66 1983 0.07 -0.07 0.47  
MONTH TO DATE 0.78 0.49 0.29 1.92  
SINCE OCT 1 27.54 33.32 -5.78 40.43  
SINCE JAN 1 12.65 17.38 -4.73 20.33  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 8.1 9.2  
SINCE JUL 1 8.1 9.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 9 0 16  
MONTH TO DATE 67 70 -3 100  
SINCE MAR 1 1145 1039 106 1182  
SINCE JUL 1 4232 4086 146 4439  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 1 -1 0  
SINCE JAN 1 0 1 -1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 600 AM  
LOWEST 42 400 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 84 1969  
1987  
MINIMUM TEMPERATURE (F) 47 36 1999  
 
SUNRISE AND SUNSET  
MAY 7 2023...........SUNRISE 543 AM PDT SUNSET 829 PM PDT  
MAY 8 2023...........SUNRISE 542 AM PDT SUNSET 830 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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