139  
CDUS41 KLWX 052121  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
421 PM EST MON FEB 05 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 5 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 52 2:51 PM 73 1991 44 8 57  
MINIMUM 26 6:04 AM -10 1996 25 1 30  
AVERAGE 39 35 4 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.47 2010 0.09 -0.09 0.00  
MONTH TO DATE T 0.47 -0.47 0.06  
SINCE DEC 1 11.75 6.71 5.04 6.37  
SINCE JAN 1 6.00 3.41 2.59 1.42  
 
SNOWFALL (IN)  
TODAY 0.0 14.9 2010 0.3 -0.3 0.0  
MONTH TO DATE 0.0 1.5 -1.5 0.4  
SINCE DEC 1 10.0 11.2 -1.2 0.4  
SINCE JUL 1 10.0 11.5 -1.5 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 26 30 -4 21  
MONTH TO DATE 118 153 -35 164  
SINCE DEC 1 1660 1962 -302 1729  
SINCE JUL 1 2431 2862 -431 2563  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 3 0 3 0  
SINCE JAN 1 3 0 3 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 3:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 71 2008  
MINIMUM TEMPERATURE (F) 25 -9 1996  
 
SUNRISE AND SUNSET  
FEBRUARY 5 2024......SUNRISE 7:13 AM EST SUNSET 5:35 PM EST  
FEBRUARY 6 2024......SUNRISE 7:12 AM EST SUNSET 5:36 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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