135  
CDUS41 KLWX 250525  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST SUN FEB 25 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 24 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 50 12:41 PM 79 1985 48 2 66  
MINIMUM 32 11:59 PM -4 2015 28 4 36  
AVERAGE 41 38 3 51  
 
PRECIPITATION (IN)  
YESTERDAY T 1.52 1979 0.10 -0.10 0.00  
MONTH TO DATE 1.32 2.23 -0.91 2.06  
SINCE DEC 1 13.07 8.47 4.60 8.37  
SINCE JAN 1 7.32 5.17 2.15 3.42  
 
SNOWFALL (IN)  
YESTERDAY T 9.1 1966 0.2 -0.2 0.0  
MONTH TO DATE 1.7 6.2 -4.5 0.4  
SINCE DEC 1 11.7 15.9 -4.2 0.4  
SINCE JUL 1 11.7 16.2 -4.5 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 27 -3 14  
MONTH TO DATE 557 696 -139 480  
SINCE DEC 1 2099 2505 -406 2045  
SINCE JUL 1 2870 3405 -535 2879  
 
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 20 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1:00 AM  
LOWEST 42 1:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 79 2000  
MINIMUM TEMPERATURE (F) 29 6 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 25 2024......SUNRISE 6:49 AM EST SUNSET 5:58 PM EST  
FEBRUARY 26 2024......SUNRISE 6:47 AM EST SUNSET 5:59 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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