726  
CDUS46 KSEW 070832  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
132 AM PDT TUE JUL 7 2020  
 
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR JULY 6 2020
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 339 PM 94 1960 74 -2 72  
MINIMUM 56 522 AM 45 1949 55 1 58  
AVERAGE 64 64 0 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.44 1948 0.03 -0.03 0.00  
MONTH TO DATE 0.01 0.18 -0.17 0.43  
SINCE OCT 1 36.90 34.59 2.31 30.58  
SINCE JAN 1 23.56 19.19 4.37 15.30  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 2 -1 0  
MONTH TO DATE 16 14 2 7  
SINCE JUN 1 132 158 -26 80  
SINCE JUL 1 16 14 2 7  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 0 8 -8 5  
SINCE JUN 1 28 29 -1 43  
SINCE JAN 1 56 35 21 64    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.8  
 
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 1200 AM  
LOWEST 47 300 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 90 2010  
MINIMUM TEMPERATURE (F) 55 47 1955  
 
 
SUNRISE AND SUNSET  
JULY 7 2020..........SUNRISE 521 AM PDT SUNSET 907 PM PDT  
JULY 8 2020..........SUNRISE 522 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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