148  
CDUS41 KLWX 260529  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1229 AM EST MON FEB 26 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 25 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 3:47 PM 79 2000 49 0 39  
MINIMUM 21 7:00 AM 6 2015 29 -8 25  
AVERAGE 35 39 -4 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.20 1979 0.10 -0.10 0.01  
MONTH TO DATE 1.32 2.33 -1.01 2.07  
SINCE DEC 1 13.07 8.57 4.50 8.38  
SINCE JAN 1 7.32 5.27 2.05 3.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 2007 0.2 -0.2 T  
MONTH TO DATE 1.7 6.4 -4.7 0.4  
SINCE DEC 1 11.7 16.1 -4.4 0.4  
SINCE JUL 1 11.7 16.4 -4.7 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 26 4 33  
MONTH TO DATE 587 722 -135 513  
SINCE DEC 1 2129 2531 -402 2078  
SINCE JUL 1 2900 3431 -531 2912  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 3 0 3 0  
SINCE JAN 1 3 0 3 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 5:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 57  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 69 1977  
2002  
MINIMUM TEMPERATURE (F) 29 7 1970  
 
SUNRISE AND SUNSET  
FEBRUARY 26 2024......SUNRISE 6:47 AM EST SUNSET 5:59 PM EST  
FEBRUARY 27 2024......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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