068  
CDUS41 KLWX 032131  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
431 PM EST WED FEB 03 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 3 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 41 3:59 PM 67 2020 44 -3 67  
MINIMUM 31 7:26 AM 1 1965 25 6 40  
AVERAGE 36 34 2 54  
 
PRECIPITATION (IN)  
TODAY T 1.33 2014 0.10 -0.10 0.00  
MONTH TO DATE 0.23 0.30 -0.07 0.10  
SINCE DEC 1 7.92 5.94 1.98 6.40  
SINCE JAN 1 2.11 2.98 -0.87 3.43  
 
SNOWFALL (IN)  
TODAY T 3.5 1996 0.4 -0.4 0.0  
MONTH TO DATE 2.7 1.0 1.7 0.0  
SINCE DEC 1 8.3 11.8 -3.5 2.9  
SINCE JUL 1 8.3 12.3 -4.0 2.9  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
TODAY 29 31 -2 11  
MONTH TO DATE 95 93 2 60  
SINCE DEC 1 1801 1961 -160 1664  
SINCE JUL 1 2468 2877 -409 2527  
 
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 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 16.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 7:00 AM  
LOWEST 48 4:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 70 1991  
MINIMUM TEMPERATURE (F) 25 4 1965  
1996  
 
SUNRISE AND SUNSET  
FEBRUARY 3 2021......SUNRISE 7:14 AM EST SUNSET 5:34 PM EST  
FEBRUARY 4 2021......SUNRISE 7:13 AM EST SUNSET 5:35 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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