452  
CDUS46 KSEW 290831  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
131 AM PDT MON MAY 29 2017  
 
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR MAY 28 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1986 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 82R MM 82 1995 62  
MINIMUM 55 MM 45 2007 50  
AVERAGE 69 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 1989 0.06  
MONTH TO DATE 3.08 1.53  
SINCE OCT 1 47.20 39.98  
SINCE JAN 1 25.48 19.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 9  
MONTH TO DATE 204 160  
SINCE MAR 1 1187 897  
SINCE JUL 1 4267 3702  
 
COOLING  
YESTERDAY 4 0  
MONTH TO DATE 9 5  
SINCE MAR 1 9 11  
SINCE JAN 1 9 11    
................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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