572  
CDUS41 KLWX 240522  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
122 AM EDT WED MAR 24 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 23 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 69 2:00 PM 83 1994 58 11 44  
2012  
MINIMUM 35 4:52 AM 17 1969 35 0 40  
AVERAGE 52 46 6 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.21 1991 0.11 -0.11 0.17  
MONTH TO DATE 0.59 2.39 -1.80 1.12  
SINCE MAR 1 0.59 2.39 -1.80 1.12  
SINCE JAN 1 6.75 7.81 -1.06 7.69  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1968 0.0 0.0 0.0  
1971  
1972  
MONTH TO DATE T 2.4 -2.4 T  
SINCE MAR 1 T 2.4 -2.4 T  
SINCE JUL 1 12.0 21.3 -9.3 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 19 -6 23  
MONTH TO DATE 448 512 -64 346  
SINCE MAR 1 448 512 -64 346  
SINCE JUL 1 3641 4102 -461 3490  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 3  
SINCE MAR 1 0 0 0 3  
SINCE JAN 1 0 0 0 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 5:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 79 1988  
1994  
MINIMUM TEMPERATURE (F) 35 19 2014  
 
SUNRISE AND SUNSET  
MARCH 24 2021.........SUNRISE 7:07 AM EDT SUNSET 7:26 PM EDT  
MARCH 25 2021.........SUNRISE 7:05 AM EDT SUNSET 7:27 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