528  
CDUS41 KLWX 262140  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
440 PM EST TUE JAN 26 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 26 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 37 3:59 PM 70 1967 43 -6 47  
MINIMUM 31 12:38 AM 3 1987 24 7 28  
AVERAGE 34 34 0 38  
 
PRECIPITATION (IN)  
TODAY 0.14 1.31 2011 0.09 0.05 0.00  
MONTH TO DATE 1.57 2.22 -0.65 3.33  
SINCE DEC 1 7.38 5.18 2.20 6.30  
SINCE JAN 1 1.57 2.22 -0.65 3.33  
 
SNOWFALL (IN)  
TODAY 0.0 7.3 2011 0.2 -0.2 0.0  
MONTH TO DATE 0.2 5.8 -5.6 2.3  
SINCE DEC 1 2.6 9.3 -6.7 2.9  
SINCE JUL 1 2.6 9.8 -7.2 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 31 32 -1 27  
MONTH TO DATE 735 832 -97 665  
SINCE DEC 1 1537 1714 -177 1465  
SINCE JUL 1 2204 2630 -426 2328  
 
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 9 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LT FREEZING RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 3:00 PM  
LOWEST 88 12:00 AM  
AVERAGE 92  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 71 1974  
MINIMUM TEMPERATURE (F) 24 -9 1987  
 
SUNRISE AND SUNSET  
JANUARY 26 2021.......SUNRISE 7:21 AM EST SUNSET 5:24 PM EST  
JANUARY 27 2021.......SUNRISE 7:20 AM EST SUNSET 5:26 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