115  
CDUS41 KLWX 282123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT WED JUN 28 2017  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 28 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 323 PM 97 1966 87 -7 89  
MINIMUM 50 423 AM 44 1970 64 -14 66  
AVERAGE 65 76 -11 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.06 1983 0.13 -0.13 0.06  
MONTH TO DATE 1.28 3.73 -2.45 6.35  
SINCE JUN 1 1.28 3.73 -2.45 6.35  
SINCE JAN 1 20.37 20.55 -0.18 24.02  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 7.3 22.0 -14.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 6 13 -7 3  
SINCE JUN 1 6 13 -7 3  
SINCE JUL 1 3858 4715 -857 4039  
 
COOLING  
TODAY 0 11 -11 13  
MONTH TO DATE 230 216 14 242  
SINCE JUN 1 230 216 14 242  
SINCE JAN 1 367 308 59 340    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 30 100 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 102 2012  
MINIMUM TEMPERATURE (F) 64 47 1970  
 
 
SUNRISE AND SUNSET  
JUNE 28 2017..........SUNRISE 547 AM EDT SUNSET 839 PM EDT  
JUNE 29 2017..........SUNRISE 547 AM EDT SUNSET 839 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