153  
CDUS41 KLWX 262123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT MON AUG 26 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 26 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 91 11:59 AM 95 1993 85 6 94  
1998  
2016  
MINIMUM 67 3:58 AM 48 1977 64 3 74  
AVERAGE 79 75 4 84  
 
PRECIPITATION (IN)  
TODAY 0.02 1.48 1965 0.12 -0.10 0.00  
MONTH TO DATE 3.07 2.97 0.10 1.84  
SINCE JUN 1 6.42 11.42 -5.00 9.23  
SINCE JAN 1 23.72 28.66 -4.94 19.21  
 
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 2 0 2 0  
SINCE JUN 1 2 13 -11 5  
SINCE JUL 1 2 0 2 0  
 
COOLING  
TODAY 14 10 4 19  
MONTH TO DATE 306 289 17 320  
SINCE JUN 1 1159 905 254 975  
SINCE JAN 1 1342 1011 331 1049    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 6:00 AM  
LOWEST 47 11:00 AM  
AVERAGE 67  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 100 1987  
MINIMUM TEMPERATURE (F) 64 46 1969  
 
SUNRISE AND SUNSET  
AUGUST 26 2024........SUNRISE 6:34 AM EDT SUNSET 7:48 PM EDT  
AUGUST 27 2024........SUNRISE 6:35 AM EDT SUNSET 7:47 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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