318  
CDUS46 KSEW 100826  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
126 AM PDT SAT JUN 10 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 9 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 56 200 PM 96 1955 70 -14 59  
MINIMUM 52 606 AM 44 1946 52 0 53  
1971  
2008  
AVERAGE 54 61 -7 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 1.10 2022 0.05 0.14 1.10  
MONTH TO DATE 0.19 0.50 -0.31 2.13  
SINCE OCT 1 27.88 35.21 -7.33 44.46  
SINCE JAN 1 12.99 19.27 -6.28 24.36  
 
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 11 5 6 9  
MONTH TO DATE 33 46 -13 43  
SINCE JUN 1 33 46 -13 43  
SINCE JUL 1 4354 4304 50 4757  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 9 2 0  
SINCE JUN 1 11 9 2 0  
SINCE JAN 1 46 19 27 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 PM  
LOWEST 75 100 AM  
AVERAGE 84  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 83 1982  
1986  
MINIMUM TEMPERATURE (F) 52 43 1946  
 
SUNRISE AND SUNSET  
JUNE 10 2023..........SUNRISE 512 AM PDT SUNSET 905 PM PDT  
JUNE 11 2023..........SUNRISE 512 AM PDT SUNSET 906 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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