248  
CDUS41 KLWX 022128  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
528 PM EDT SUN JUL 02 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 2 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 93 3:38 PM 98 1966 87 6 91  
MINIMUM 72 1:01 AM 44 1988 66 6 75  
AVERAGE 83 76 7 83  
 
PRECIPITATION (IN)  
TODAY 0.00 2.36 1968 0.15 -0.15 0.00  
MONTH TO DATE 0.22 0.29 -0.07 0.09  
SINCE JUN 1 2.52 4.59 -2.07 2.84  
SINCE JAN 1 12.50 21.83 -9.33 20.06  
 
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 5 13 -8 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 18 11 7 18  
MONTH TO DATE 32 22 10 35  
SINCE JUN 1 214 260 -46 272  
SINCE JAN 1 288 366 -78 401    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 58 3:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 103 1966  
MINIMUM TEMPERATURE (F) 66 50 1962  
1977  
 
SUNRISE AND SUNSET  
JULY 2 2023..........SUNRISE 5:48 AM EDT SUNSET 8:39 PM EDT  
JULY 3 2023..........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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