707  
CDUS41 KLWX 242129  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT WED JUL 24 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 24 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 89 2:32 PM 99 2010 88 1 87  
MINIMUM 73 5:44 AM 48 1985 67 6 73  
AVERAGE 81 77 4 80  
 
PRECIPITATION (IN)  
TODAY 0.22 0.86 2020 0.14 0.08 0.00  
MONTH TO DATE 2.54 3.27 -0.73 4.64  
SINCE JUN 1 3.23 7.57 -4.34 6.94  
SINCE JAN 1 20.53 24.81 -4.28 16.92  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 13 -13 5  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 16 12 4 15  
MONTH TO DATE 399 286 113 360  
SINCE JUN 1 753 524 229 542  
SINCE JAN 1 936 630 306 616    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 2:00 AM  
LOWEST 59 1:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 100 2016  
MINIMUM TEMPERATURE (F) 67 55 1976  
 
SUNRISE AND SUNSET  
JULY 24 2024..........SUNRISE 6:04 AM EDT SUNSET 8:28 PM EDT  
JULY 25 2024..........SUNRISE 6:05 AM EDT SUNSET 8:27 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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