326  
CDUS41 KLWX 132124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT TUE JUN 13 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 13 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 81 3:59 PM 95 2017 83 -2 93  
MINIMUM 52 4:25 AM 43 1980 61 -9 68  
AVERAGE 67 72 -5 81  
 
PRECIPITATION (IN)  
TODAY 0.00 2.03 1982 0.14 -0.14 0.24  
MONTH TO DATE 0.09 1.91 -1.82 1.23  
SINCE JUN 1 0.09 1.91 -1.82 1.23  
SINCE JAN 1 10.07 19.15 -9.08 18.45  
 
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 0.4 21.0 -20.6 15.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 2 11 -9 0  
SINCE JUN 1 2 11 -9 0  
SINCE JUL 1 3849 4603 -754 4023  
 
COOLING  
TODAY 2 7 -5 16  
MONTH TO DATE 47 77 -30 90  
SINCE JUN 1 47 77 -30 90  
SINCE JAN 1 121 183 -62 219    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 4.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 4:00 AM  
LOWEST 26 4:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 1994  
MINIMUM TEMPERATURE (F) 62 41 1979  
 
SUNRISE AND SUNSET  
JUNE 13 2023..........SUNRISE 5:44 AM EDT SUNSET 8:36 PM EDT  
JUNE 14 2023..........SUNRISE 5:44 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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