595  
CDUS41 KLWX 070530  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT THU JUN 7 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 6 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 74 241 PM 92 2005 81 -7 77  
MINIMUM 59 552 AM 39 1976 58 1 59  
AVERAGE 67 70 -3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.83 1983 0.14 -0.14 0.00  
MONTH TO DATE 2.07 0.84 1.23 0.18  
SINCE JUN 1 2.07 0.84 1.23 0.18  
SINCE JAN 1 22.72 17.66 5.06 19.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 11.9 22.0 -10.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 8 -7 0  
SINCE JUN 1 1 8 -7 0  
SINCE JUL 1 4562 4710 -148 3852  
 
COOLING  
YESTERDAY 2 6 -4 3  
MONTH TO DATE 31 32 -1 22  
SINCE JUN 1 31 32 -1 22  
SINCE JAN 1 223 124 99 159    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 8.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1100 PM  
LOWEST 49 400 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1999  
MINIMUM TEMPERATURE (F) 59 45 1977  
 
 
SUNRISE AND SUNSET  
JUNE 7 2018..........SUNRISE 544 AM EDT SUNSET 833 PM EDT  
JUNE 8 2018..........SUNRISE 544 AM EDT SUNSET 834 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