277  
CDUS46 KSEW 170126  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
626 PM PDT FRI JUN 16 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 16 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 72 244 PM 88 1961 71 1 67  
1969  
MINIMUM 52 436 AM 42 1954 53 -1 50  
AVERAGE 62 62 0 59  
 
PRECIPITATION (IN)  
TODAY T 0.52 2005 0.04 -0.04 0.01  
MONTH TO DATE 0.42 0.86 -0.44 2.45  
SINCE OCT 1 28.11 35.57 -7.46 44.78  
SINCE JAN 1 13.22 19.63 -6.41 24.68  
 
SNOWFALL (IN)  
TODAY MM 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 3 4 -1 6  
MONTH TO DATE 63 75 -12 96  
SINCE JUN 1 63 75 -12 96  
SINCE JUL 1 4384 4333 51 4810  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 17 16 1 0  
SINCE JUN 1 17 16 1 0  
SINCE JAN 1 52 26 26 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 500 AM  
LOWEST 51 1100 AM  
AVERAGE 67  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 1969  
MINIMUM TEMPERATURE (F) 53 43 1954  
 
SUNRISE AND SUNSET  
JUNE 16 2023..........SUNRISE 512 AM PDT SUNSET 908 PM PDT  
JUNE 17 2023..........SUNRISE 512 AM PDT SUNSET 909 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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