978  
CDUS41 KLWX 020527  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1227 AM EST FRI FEB 02 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 1 2024
 
 
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)  
YESTERDAY  
MAXIMUM 55 4:07 PM 75 2002 43 12 40  
MINIMUM 27 7:12 AM 2 1965 25 2 26  
AVERAGE 41 34 7 33  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.44 2008 0.09 -0.09 0.06  
MONTH TO DATE 0.00 0.09 -0.09 0.06  
SINCE DEC 1 11.75 6.33 5.42 6.37  
SINCE JAN 1 6.00 3.03 2.97 1.42  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.5 2021 0.3 -0.3 0.4  
MONTH TO DATE 0.0 0.3 -0.3 0.4  
SINCE DEC 1 10.0 10.0 0.0 0.4  
SINCE JUL 1 10.0 10.3 -0.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 31 -7 32  
MONTH TO DATE 24 31 -7 32  
SINCE DEC 1 1566 1840 -274 1597  
SINCE JUL 1 2337 2740 -403 2431  
 
COOLING  
YESTERDAY 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 10 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 8:00 AM  
LOWEST 43 4:00 PM  
AVERAGE 68  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 68 1990  
MINIMUM TEMPERATURE (F) 25 5 2004  
 
SUNRISE AND SUNSET  
FEBRUARY 2 2024......SUNRISE 7:16 AM EST SUNSET 5:32 PM EST  
FEBRUARY 3 2024......SUNRISE 7:15 AM EST SUNSET 5:33 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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