286  
CDUS41 KLWX 282132  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
532 PM EDT FRI JUN 28 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 28 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 84 3:41 PM 97 1966 86 -2 81  
MINIMUM 67 5:28 AM 44 1970 65 2 64  
AVERAGE 76 76 0 73  
 
PRECIPITATION (IN)  
TODAY 0.00 1.06 1983 0.14 -0.14 0.00  
MONTH TO DATE 0.64 4.02 -3.38 1.96  
SINCE JUN 1 0.64 4.02 -3.38 1.96  
SINCE JAN 1 17.94 21.26 -3.32 11.94  
 
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 11.7 21.0 -9.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 11 -11 5  
SINCE JUN 1 0 11 -11 5  
SINCE JUL 1 3691 4603 -912 3862  
 
COOLING  
TODAY 11 11 0 8  
MONTH TO DATE 316 216 100 162  
SINCE JUN 1 316 216 100 162  
SINCE JAN 1 499 322 177 236    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 4:00 AM  
LOWEST 36 12:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 102 2012  
MINIMUM TEMPERATURE (F) 65 47 1970  
 
SUNRISE AND SUNSET  
JUNE 28 2024..........SUNRISE 5:47 AM EDT SUNSET 8:39 PM EDT  
JUNE 29 2024..........SUNRISE 5:47 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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