911  
CDUS41 KLWX 252133  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
532 PM EDT THU APR 25 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 25 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 74 109 PM 93 1960 70 4 62  
MINIMUM 54 502 AM 29 1969 45 9 53  
AVERAGE 64 57 7 58  
 
PRECIPITATION (IN)  
TODAY T 1.34 1973 0.11 -0.11 0.64  
MONTH TO DATE 2.24 2.88 -0.64 2.70  
SINCE MAR 1 6.79 6.26 0.53 4.49  
SINCE JAN 1 14.25 11.68 2.57 10.88  
 
SNOWFALL (IN)  
TODAY 0.0 T 2015 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3  
SINCE JUL 1 26.5 22.0 4.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 1 9 -8 7  
MONTH TO DATE 171 299 -128 357  
SINCE MAR 1 855 946 -91 1136  
SINCE JUL 1 4360 4536 -176 4487  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 19 13 6 15  
SINCE MAR 1 19 16 3 15  
SINCE JAN 1 19 16 3 20    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 2.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 400 AM  
LOWEST 33 100 PM  
AVERAGE 55  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2009  
1990  
MINIMUM TEMPERATURE (F) 45 31 1967  
 
 
SUNRISE AND SUNSET  
APRIL 25 2019.........SUNRISE 620 AM EDT SUNSET 756 PM EDT  
APRIL 26 2019.........SUNRISE 618 AM EDT SUNSET 757 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