513  
CDUS41 KLWX 030528  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
128 AM EDT SAT APR 03 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 2 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1960 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 45 4:51 PM 86 1967 62 -17 62  
MINIMUM 29 6:30 AM 21 1964 38 -9 37  
AVERAGE 37 50 -13 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.07 2005 0.12 -0.12 0.00  
MONTH TO DATE 0.27 0.24 0.03 T  
SINCE MAR 1 2.54 3.62 -1.08 1.99  
SINCE JAN 1 8.70 9.04 -0.34 8.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1964 0.0 0.0 0.0  
1987  
1992  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 T 2.8 -2.8 T  
SINCE JUL 1 12.0 21.7 -9.7 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 15 13 15  
MONTH TO DATE 52 31 21 32  
SINCE MAR 1 567 678 -111 480  
SINCE JUL 1 3760 4268 -508 3624  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 4 3 1 3  
SINCE JAN 1 4 3 1 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 1:00 AM  
LOWEST 26 2:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 86 1981  
MINIMUM TEMPERATURE (F) 38 23 1991  
 
SUNRISE AND SUNSET  
APRIL 3 2021.........SUNRISE 6:51 AM EDT SUNSET 7:36 PM EDT  
APRIL 4 2021.........SUNRISE 6:49 AM EDT SUNSET 7:37 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