158  
CDUS41 KLWX 072124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT SUN JUL 07 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 7 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 96 3:59 PM 101 1988 88 8 94  
2010  
2012  
MINIMUM 79 5:59 AM 47 1970 67 12 71  
AVERAGE 88 77 11 83  
 
PRECIPITATION (IN)  
TODAY 0.00 1.59 2005 0.13 -0.13 0.08  
MONTH TO DATE 0.68 0.95 -0.27 1.12  
SINCE JUN 1 1.37 5.25 -3.88 3.42  
SINCE JAN 1 18.67 22.49 -3.82 13.40  
 
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 23 12 11 18  
MONTH TO DATE 113 82 31 114  
SINCE JUN 1 467 320 147 296  
SINCE JAN 1 650 426 224 370    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 5:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 101 2012  
MINIMUM TEMPERATURE (F) 67 48 1983  
1984  
 
SUNRISE AND SUNSET  
JULY 7 2024..........SUNRISE 5:52 AM EDT SUNSET 8:38 PM EDT  
JULY 8 2024..........SUNRISE 5:52 AM EDT SUNSET 8:37 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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