035  
CDUS41 KLWX 112123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
423 PM EST THU FEB 11 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 11 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 35 5:26 AM 71 2009 45 -10 55  
MINIMUM 32 12:39 PM -7 1979 25 7 46  
AVERAGE 34 35 -1 51  
 
PRECIPITATION (IN)  
TODAY 0.07 2.07 1983 0.10 -0.03 0.37  
MONTH TO DATE 1.08 1.09 -0.01 1.95  
SINCE DEC 1 8.77 6.73 2.04 8.25  
SINCE JAN 1 2.96 3.77 -0.81 5.28  
 
SNOWFALL (IN)  
TODAY T 22.5 1983 0.3 -0.3 0.0  
MONTH TO DATE 5.0 3.4 1.6 0.0  
SINCE DEC 1 10.6 14.2 -3.6 2.9  
SINCE JUL 1 10.6 14.7 -4.1 2.9  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 31 30 1 14  
MONTH TO DATE 323 335 -12 215  
SINCE DEC 1 2029 2203 -174 1819  
SINCE JUL 1 2696 3119 -423 2682  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 AM  
LOWEST 81 3:00 PM  
AVERAGE 89  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 74 1999  
MINIMUM TEMPERATURE (F) 25 3 1964  
 
SUNRISE AND SUNSET  
FEBRUARY 11 2021......SUNRISE 7:05 AM EST SUNSET 5:43 PM EST  
FEBRUARY 12 2021......SUNRISE 7:04 AM EST SUNSET 5:44 PM EST  
 
- 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