346  
CDUS41 KLWX 260530  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
127 AM EDT FRI APR 26 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 25 2019
 
 
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)  
YESTERDAY  
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)  
YESTERDAY 0.10 1.34 1973 0.11 -0.01 0.64  
MONTH TO DATE 2.34 2.88 -0.54 2.70  
SINCE MAR 1 6.89 6.26 0.63 4.49  
SINCE JAN 1 14.35 11.68 2.67 10.88  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 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 NW (310)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1000 PM  
LOWEST 33 100 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 92 2009  
1990  
MINIMUM TEMPERATURE (F) 45 31 1967  
 
 
SUNRISE AND SUNSET  
APRIL 26 2019.........SUNRISE 618 AM EDT SUNSET 757 PM EDT  
APRIL 27 2019.........SUNRISE 617 AM EDT SUNSET 758 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