455  
CDUS41 KLWX 290524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT WED AUG 29 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 28 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 95 321 PM 98 1993 85 10 76  
MINIMUM 70 557 AM 44 1986 63 7 54  
AVERAGE 83 74 9 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.73 2002 0.10 -0.10 0.00  
MONTH TO DATE 4.53 3.22 1.31 3.12  
SINCE JUN 1 19.91 10.87 9.04 13.20  
SINCE JAN 1 40.56 27.69 12.87 32.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 5 15 -10 6  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 9 9 0  
MONTH TO DATE 334 296 38 254  
SINCE JUN 1 942 896 46 913  
SINCE JAN 1 1134 988 146 1050    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 44 200 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 1991  
MINIMUM TEMPERATURE (F) 62 38 1982  
 
 
SUNRISE AND SUNSET  
AUGUST 29 2018........SUNRISE 636 AM EDT SUNSET 745 PM EDT  
AUGUST 30 2018........SUNRISE 637 AM EDT SUNSET 743 PM EDT  
 
 
- 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 VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page