159  
CDUS41 KLWX 020521  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
121 AM EDT TUE JUL 02 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 1 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 80 4:57 PM 96 2012 87 -7 88  
MINIMUM 61 11:59 PM 41 1988 66 -5 70  
AVERAGE 71 76 -5 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.76 1984 0.14 -0.14 0.22  
MONTH TO DATE 0.00 0.14 -0.14 0.22  
SINCE JUN 1 0.69 4.44 -3.75 2.52  
SINCE JAN 1 17.99 21.68 -3.69 12.50  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 6 11 -5 14  
MONTH TO DATE 6 11 -5 14  
SINCE JUN 1 360 249 111 196  
SINCE JAN 1 543 355 188 270    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 5:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 98 1966  
MINIMUM TEMPERATURE (F) 66 44 1988  
 
SUNRISE AND SUNSET  
JULY 2 2024..........SUNRISE 5:49 AM EDT SUNSET 8:39 PM EDT  
JULY 3 2024..........SUNRISE 5:49 AM EDT SUNSET 8:39 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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