579  
CDUS41 KLWX 060525  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST THU FEB 06 2025  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 5 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 4:09 PM 73 1991 44 -5 52  
MINIMUM 32 11:59 PM -10 1996 25 7 26  
AVERAGE 36 35 1 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.47 2010 0.09 -0.06 0.00  
MONTH TO DATE 0.03 0.47 -0.44 T  
SINCE DEC 1 5.37 6.71 -1.34 11.75  
SINCE JAN 1 2.03 3.41 -1.38 6.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 14.9 2010 0.3 -0.3 0.0  
MONTH TO DATE 0.0 1.5 -1.5 0.0  
SINCE DEC 1 10.6 11.2 -0.6 10.0  
SINCE JUL 1 10.6 11.5 -0.9 10.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 30 -1 26  
MONTH TO DATE 131 153 -22 118  
SINCE DEC 1 2028 1962 66 1660  
SINCE JUL 1 2696 2862 -166 2431  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 3  
SINCE JAN 1 0 0 0 3    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LT FREEZING RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 11:00 PM  
LOWEST 39 3:00 PM  
AVERAGE 62  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 71 2008  
MINIMUM TEMPERATURE (F) 25 -9 1996  
 
SUNRISE AND SUNSET  
FEBRUARY 6 2025......SUNRISE 7:11 AM EST SUNSET 5:37 PM EST  
FEBRUARY 7 2025......SUNRISE 7:10 AM EST SUNSET 5:38 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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