388  
CDUS46 KSEW 110827  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE  
127 AM PDT SUN JUN 11 2023  
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JUNE 10 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 62 638 PM 83 1982 70 -8 67  
1986  
MINIMUM 52 717 AM 43 1946 52 0 55  
AVERAGE 57 61 -4 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.23 0.88 1983 0.06 0.17 0.17  
MONTH TO DATE 0.42 0.56 -0.14 2.30  
SINCE OCT 1 28.11 35.27 -7.16 44.63  
SINCE JAN 1 13.22 19.33 -6.11 24.53  
 
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 8 5 3 4  
MONTH TO DATE 41 51 -10 47  
SINCE JUN 1 41 51 -10 47  
SINCE JUL 1 4362 4309 53 4761  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 11 10 1 0  
SINCE JUN 1 11 10 1 0  
SINCE JAN 1 46 20 26 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 PM  
LOWEST 70 600 PM  
AVERAGE 82  
   
......................................................
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 87 2019  
MINIMUM TEMPERATURE (F) 52 40 1952  
 
SUNRISE AND SUNSET  
JUNE 11 2023..........SUNRISE 512 AM PDT SUNSET 906 PM PDT  
JUNE 12 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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