466  
CDUS46 KSEW 210839  
CLISEW  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
139 AM PDT SAT SEP 21 2019  
 
   
...............................
 
 
   
..THE SEATTLE WA WFO CLIMATE SUMMARY FOR SEPTEMBER 20 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1986 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR LAST  
VALUE (LST) VALUE YEAR    
................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 MM 83 1987 65  
MINIMUM 56 MM 45 2002 56  
AVERAGE 63 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.53 2008 0.00  
MONTH TO DATE 2.81 1.18  
SINCE OCT 1 31.92 40.51  
SINCE JAN 1 18.53 23.64  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 4  
MONTH TO DATE 32 46  
SINCE SEP 1 32 46  
SINCE JUL 1 56 67  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 30 11  
SINCE SEP 1 30 11  
SINCE JAN 1 215 344    
................................................
 
 
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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab WA Page Main Text Page