338  
CDUS41 KLWX 292124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT THU AUG 29 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 29 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 93 2:24 PM 98 1991 85 8 82  
MINIMUM 74 3:34 PM 38 1982 63 11 72  
AVERAGE 84 74 10 77  
 
PRECIPITATION (IN)  
TODAY 0.94 1.17 1963 0.11 0.83 0.01  
MONTH TO DATE 4.01 3.31 0.70 1.85  
SINCE JUN 1 7.36 11.76 -4.40 9.24  
SINCE JAN 1 24.66 29.00 -4.34 19.22  
 
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 19 9 10 12  
MONTH TO DATE 361 317 44 361  
SINCE JUN 1 1214 933 281 1016  
SINCE JAN 1 1397 1039 358 1090    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 3:00 PM  
LOWEST 54 1:00 PM  
AVERAGE 71  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 99 1991  
MINIMUM TEMPERATURE (F) 63 41 1986  
 
SUNRISE AND SUNSET  
AUGUST 29 2024........SUNRISE 6:36 AM EDT SUNSET 7:44 PM EDT  
AUGUST 30 2024........SUNRISE 6:37 AM EDT SUNSET 7:42 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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