496  
CDUS41 KLWX 010526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST SAT MAR 01 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 28 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 56 4:21 PM 70 1965 49 7 65  
1976  
MINIMUM 39 1:00 AM 10 1993 29 10 39  
2014  
AVERAGE 48 39 9 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.13 1966 0.10 -0.10 0.12  
MONTH TO DATE 2.42 2.61 -0.19 1.45  
SINCE DEC 1 7.76 8.85 -1.09 13.20  
SINCE JAN 1 4.42 5.55 -1.13 7.45  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.1 2005 0.2 -0.2 0.0  
MONTH TO DATE 4.9 7.0 -2.1 1.7  
SINCE DEC 1 15.5 16.7 -1.2 11.7  
SINCE JUL 1 15.5 17.0 -1.5 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 26 -9 13  
MONTH TO DATE 757 800 -43 627  
SINCE DEC 1 2654 2609 45 2169  
SINCE JUL 1 3322 3509 -187 2940  
 
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 31 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 1:00 AM  
LOWEST 26 4:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 77 1972  
MINIMUM TEMPERATURE (F) 30 11 1980  
 
SUNRISE AND SUNSET  
MARCH 1 2025.........SUNRISE 6:42 AM EST SUNSET 6:03 PM EST  
MARCH 2 2025.........SUNRISE 6:40 AM EST SUNSET 6:04 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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