692  
CDUS41 KLWX 272124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST THU FEB 27 2025  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 27 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 63 3:59 PM 74 1997 49 14 63  
MINIMUM 47 7:05 AM 8 1968 29 18 40  
AVERAGE 55 39 16 52  
 
PRECIPITATION (IN)  
TODAY T 0.60 2000 0.09 -0.09 0.01  
MONTH TO DATE 2.42 2.51 -0.09 1.33  
SINCE DEC 1 7.76 8.75 -0.99 13.08  
SINCE JAN 1 4.42 5.45 -1.03 7.33  
 
SNOWFALL (IN)  
TODAY 0.0 4.1 2003 0.2 -0.2 0.0  
MONTH TO DATE 4.9 6.8 -1.9 1.7  
SINCE DEC 1 15.5 16.5 -1.0 11.7  
SINCE JUL 1 15.5 16.8 -1.3 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 10 26 -16 13  
MONTH TO DATE 736 774 -38 614  
SINCE DEC 1 2633 2583 50 2156  
SINCE JUL 1 3301 3483 -182 2927  
 
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 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 9:00 AM  
LOWEST 42 4:00 PM  
AVERAGE 55  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 70 1965  
1976  
MINIMUM TEMPERATURE (F) 29 10 1993  
2014  
 
SUNRISE AND SUNSET  
FEBRUARY 27 2025......SUNRISE 6:45 AM EST SUNSET 6:01 PM EST  
FEBRUARY 28 2025......SUNRISE 6:43 AM EST SUNSET 6:02 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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