218  
CDUS41 KLWX 122124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT FRI JUN 12 2026  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 12 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 94 2:15 PM 96 1986 82 12 89  
MINIMUM 69 5:02 AM 44 1972 61 8 61  
1980  
AVERAGE 82 72 10 75  
 
PRECIPITATION (IN)  
TODAY 0.02 1.88 1968 0.15 -0.13 0.00  
MONTH TO DATE 0.78 1.77 -0.99 1.71  
SINCE JUN 1 0.78 1.77 -0.99 1.71  
SINCE JAN 1 15.70 19.01 -3.31 15.63  
 
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 13.6 21.0 -7.4 15.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 1 11 -10 15  
SINCE JUN 1 1 11 -10 15  
SINCE JUL 1 4412 4603 -191 4106  
 
COOLING  
TODAY 17 7 10 10  
MONTH TO DATE 102 70 32 81  
SINCE JUN 1 102 70 32 81  
SINCE JAN 1 275 176 99 199    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1:00 AM  
LOWEST 46 1:00 PM  
AVERAGE 72  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2017  
MINIMUM TEMPERATURE (F) 61 43 1980  
 
SUNRISE AND SUNSET  
JUNE 12 2026..........SUNRISE 5:44 AM EDT SUNSET 8:36 PM EDT  
JUNE 13 2026..........SUNRISE 5:44 AM EDT SUNSET 8:36 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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