081  
CDUS46 KSEW 260834  
CLISEA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SEATTLE WA  
134 AM PDT WED APR 26 2017  
 
   
...............................
 
 
   
..THE SEATTLE-TACOMA WA AIRPORT CLIMATE SUMMARY FOR APRIL 25 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1945 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 56 206 PM 77 1992 60 -4 59  
MINIMUM 47 623 AM 34 1948 43 4 44  
AVERAGE 52 52 0 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.52 2011 0.07 -0.02 0.11  
1993  
MONTH TO DATE 3.95 2.34 1.61 1.18  
SINCE OCT 1 44.74 30.53 14.21 44.51  
SINCE JAN 1 24.34 15.13 9.21 20.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0  
MONTH TO DATE 0.0 0.0  
SINCE OCT 1 11.2 T  
SINCE JUL 1 11.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 13 0 13  
MONTH TO DATE 354 376 -22 205  
SINCE MAR 1 934 950 -16 682  
SINCE JUL 1 4107 4204 -97 3526  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 14  
SINCE MAR 1 0 0 0 14  
SINCE JAN 1 0 0 0 14    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.7  
 
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 PM  
LOWEST 59 1200 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE SEATTLE-TACOMA WA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 82 1947  
MINIMUM TEMPERATURE (F) 44 32 1948  
 
 
SUNRISE AND SUNSET  
APRIL 26 2017.........SUNRISE 600 AM PDT SUNSET 815 PM PDT  
APRIL 27 2017.........SUNRISE 558 AM PDT SUNSET 816 PM PDT  
 
 
- 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