322  
CDUS46 KSEW 100124  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
624 PM PDT TUE MAY 09 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR MAY 9 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 64 458 PM 86 2020 65 -1 57  
MINIMUM 48 444 AM 38 1955 48 0 40  
1985  
1999  
AVERAGE 56 56 0 49  
 
PRECIPITATION (IN)  
TODAY T 0.74 2000 0.06 -0.06 0.01  
MONTH TO DATE 0.79 0.61 0.18 1.95  
SINCE OCT 1 27.55 33.44 -5.89 40.46  
SINCE JAN 1 12.66 17.50 -4.84 20.36  
 
SNOWFALL (IN)  
TODAY 0.0 T 1953 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 83 88 -5 133  
SINCE MAR 1 1161 1057 104 1215  
SINCE JUL 1 4248 4104 144 4472  
 
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 4 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 50 300 PM  
AVERAGE 68  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 87 2020  
MINIMUM TEMPERATURE (F) 48 37 1947  
 
SUNRISE AND SUNSET  
MAY 9 2023...........SUNRISE 540 AM PDT SUNSET 832 PM PDT  
MAY 10 2023...........SUNRISE 539 AM PDT SUNSET 833 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WA Page Main Text Page