890  
CDUS41 KLWX 232123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
423 PM EST SUN FEB 23 2025  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 23 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 52 3:59 PM 80 2023 48 4 52  
MINIMUM 20 5:12 AM 5 1963 28 -8 36  
AVERAGE 36 38 -2 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.34 1987 0.09 -0.09 0.05  
MONTH TO DATE 2.42 2.13 0.29 1.32  
SINCE DEC 1 7.76 8.37 -0.61 13.07  
SINCE JAN 1 4.42 5.07 -0.65 7.32  
 
SNOWFALL (IN)  
TODAY 0.0 8.9 1987 0.3 -0.3 0.0  
MONTH TO DATE 4.9 6.0 -1.1 1.7  
SINCE DEC 1 15.5 15.7 -0.2 11.7  
SINCE JUL 1 15.5 16.0 -0.5 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 29 27 2 21  
MONTH TO DATE 674 669 5 533  
SINCE DEC 1 2571 2478 93 2075  
SINCE JUL 1 3239 3378 -139 2846  
 
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 21 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 4:00 AM  
LOWEST 22 4:00 PM  
AVERAGE 49  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 79 1985  
MINIMUM TEMPERATURE (F) 28 -4 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 23 2025......SUNRISE 6:50 AM EST SUNSET 5:56 PM EST  
FEBRUARY 24 2025......SUNRISE 6:49 AM EST SUNSET 5:57 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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