834  
CDUS46 KSEW 230117  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
617 PM PDT THU JUN 22 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 22 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 78 413 PM 92 1992 72 6 68  
MINIMUM 51 443 AM 45 1952 54 -3 56  
AVERAGE 65 63 2 62  
 
PRECIPITATION (IN)  
TODAY 0.00 0.62 2012 0.04 -0.04 0.04  
MONTH TO DATE 1.22 1.14 0.08 2.66  
SINCE OCT 1 28.91 35.85 -6.94 44.99  
SINCE JAN 1 14.02 19.91 -5.89 24.89  
 
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 0 3 -3 3  
MONTH TO DATE 107 96 11 129  
SINCE JUN 1 107 96 11 129  
SINCE JUL 1 4428 4354 74 4843  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 17 22 -5 0  
SINCE JUN 1 17 22 -5 0  
SINCE JAN 1 52 32 20 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 400 AM  
LOWEST 39 300 PM  
AVERAGE 64  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1992  
MINIMUM TEMPERATURE (F) 54 40 1952  
 
SUNRISE AND SUNSET  
JUNE 22 2023..........SUNRISE 512 AM PDT SUNSET 910 PM PDT  
JUNE 23 2023..........SUNRISE 513 AM PDT SUNSET 910 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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