691  
CDUS46 KSEW 210830  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
129 AM PDT SUN SEP 21 2008  
 
...................................  
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 20 2008
 
 
CLIMATE NORMAL PERIOD 1986 TO 2000  
CLIMATE RECORD PERIOD 1986 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 58 1213 AM 83 1987 61  
MINIMUM 54 547 PM 45 2002 48  
AVERAGE 56 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.53R T  
MONTH TO DATE 0.53 0.71  
SINCE OCT 1 32.79 37.71  
SINCE JAN 1 18.37 16.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 10  
MONTH TO DATE 59 54  
SINCE JUL 1 129 70  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 5 19  
SINCE JAN 1 152 172    
................................................
 
 
WIND (MPH)  
HIGHEST GUST SPEED 7 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 1.3  
 
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
 
 
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
 

 
 
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