564  
CDUS41 KLWX 252131  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
431 PM EST TUE FEB 25 2025  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 25 2025  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 67 3:29 PM 79 2000 49 18 49  
MINIMUM 35 7:01 AM 6 2015 29 6 21  
AVERAGE 51 39 12 35  
 
PRECIPITATION (IN)  
TODAY 0.00 1.20 1979 0.10 -0.10 0.00  
MONTH TO DATE 2.42 2.33 0.09 1.32  
SINCE DEC 1 7.76 8.57 -0.81 13.07  
SINCE JAN 1 4.42 5.27 -0.85 7.32  
 
SNOWFALL (IN)  
TODAY 0.0 4.5 2007 0.2 -0.2 0.0  
MONTH TO DATE 4.9 6.4 -1.5 1.7  
SINCE DEC 1 15.5 16.1 -0.6 11.7  
SINCE JUL 1 15.5 16.4 -0.9 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 26 -12 30  
MONTH TO DATE 710 722 -12 587  
SINCE DEC 1 2607 2531 76 2129  
SINCE JUL 1 3275 3431 -156 2900  
 
COOLING  
TODAY 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 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 7:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 46  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 69 1977  
2002  
MINIMUM TEMPERATURE (F) 29 7 1970  
 
SUNRISE AND SUNSET  
FEBRUARY 25 2025......SUNRISE 6:47 AM EST SUNSET 5:59 PM EST  
FEBRUARY 26 2025......SUNRISE 6:46 AM EST SUNSET 6:00 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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