929  
CDUS46 KSEW 090836  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
136 AM PDT FRI JUN 09 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 8 2023
 
 
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)  
YESTERDAY  
MAXIMUM 73 518 PM 87 1948 70 3 70  
2015  
MINIMUM 53 443 AM 42 2002 52 1 56  
AVERAGE 63 61 2 63  
 
PRECIPITATION (IN)  
YESTERDAY T 0.81 1981 0.06 -0.06 0.00  
MONTH TO DATE T 0.45 -0.45 1.03  
SINCE OCT 1 27.69 35.16 -7.47 43.36  
SINCE JAN 1 12.80 19.22 -6.42 23.26  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 2 5 -3 2  
MONTH TO DATE 22 41 -19 34  
SINCE JUN 1 22 41 -19 34  
SINCE JUL 1 4343 4299 44 4748  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 8 3 0  
SINCE JUN 1 11 8 3 0  
SINCE JAN 1 46 18 28 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 48 400 PM  
AVERAGE 66  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 96 1955  
MINIMUM TEMPERATURE (F) 52 44 1946  
1971  
2008  
 
SUNRISE AND SUNSET  
JUNE 9 2023..........SUNRISE 513 AM PDT SUNSET 905 PM PDT  
JUNE 10 2023..........SUNRISE 512 AM PDT SUNSET 905 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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