146  
CDUS46 KSEW 130119  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
619 PM PDT MON JUN 12 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 12 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 84 412 PM 95 2019 70 14 57  
MINIMUM 57 458 AM 38 1952 53 4 50  
AVERAGE 71 61 10 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.60 1953 0.05 -0.05 0.01  
MONTH TO DATE 0.42 0.66 -0.24 2.32  
SINCE OCT 1 28.11 35.37 -7.26 44.65  
SINCE JAN 1 13.22 19.43 -6.21 24.55  
 
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 4 -4 11  
MONTH TO DATE 43 59 -16 61  
SINCE JUN 1 43 59 -16 61  
SINCE JUL 1 4364 4317 47 4775  
 
COOLING  
TODAY 6 1 5 0  
MONTH TO DATE 17 12 5 0  
SINCE JUN 1 17 12 5 0  
SINCE JAN 1 52 22 30 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 34 400 PM  
AVERAGE 62  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 94 2002  
MINIMUM TEMPERATURE (F) 53 42 1945  
1952  
 
SUNRISE AND SUNSET  
JUNE 12 2023..........SUNRISE 512 AM PDT SUNSET 907 PM PDT  
JUNE 13 2023..........SUNRISE 512 AM PDT SUNSET 907 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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