816  
CDUS41 KLWX 080523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT MON APR 08 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 7 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 65 5:16 PM 91 2010 64 1 57  
MINIMUM 34 5:12 AM 21 1977 40 -6 44  
AVERAGE 50 52 -2 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1988 0.11 -0.11 T  
MONTH TO DATE 1.28 0.76 0.52 0.34  
SINCE MAR 1 5.17 4.26 0.91 1.91  
SINCE JAN 1 12.62 9.81 2.81 5.54  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.1 1990 0.0 0.0 0.0  
MONTH TO DATE T 0.1 -0.1 0.0  
SINCE MAR 1 T 4.0 -4.0 T  
SINCE JUL 1 11.7 21.0 -9.3 0.4  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 13 2 14  
MONTH TO DATE 109 101 8 48  
SINCE MAR 1 573 748 -175 618  
SINCE JUL 1 3537 4258 -721 3582  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 18  
SINCE MAR 1 0 2 -2 19  
SINCE JAN 1 3 2 1 19    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 4:00 AM  
LOWEST 29 5:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 87 1991  
MINIMUM TEMPERATURE (F) 41 24 1970  
 
SUNRISE AND SUNSET  
APRIL 8 2024.........SUNRISE 6:43 AM EDT SUNSET 7:41 PM EDT  
APRIL 9 2024.........SUNRISE 6:41 AM EDT SUNSET 7:42 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