114  
CDUS41 KLWX 240528  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
128 AM EDT WED APR 24 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 23 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 83 307 PM 88 2001 69 14 69  
MINIMUM 45 507 AM 30 1989 44 1 42  
AVERAGE 64 57 7 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.67 1963 0.11 -0.11 0.00  
MONTH TO DATE 2.24 2.65 -0.41 1.63  
SINCE MAR 1 6.79 6.03 0.76 3.42  
SINCE JAN 1 14.25 11.45 2.80 9.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1986 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 9  
MONTH TO DATE 170 281 -111 343  
SINCE MAR 1 854 928 -74 1122  
SINCE JUL 1 4359 4518 -159 4473  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 18 11 7 15  
SINCE MAR 1 18 14 4 15  
SINCE JAN 1 18 14 4 20    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 30 200 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 85 2011  
1994  
1990  
MINIMUM TEMPERATURE (F) 45 30 1989  
 
 
SUNRISE AND SUNSET  
APRIL 24 2019.........SUNRISE 621 AM EDT SUNSET 755 PM EDT  
APRIL 25 2019.........SUNRISE 620 AM EDT SUNSET 756 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