931  
CDUS41 KLWX 162130  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
530 PM EDT FRI JUN 16 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 16 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 82 3:36 PM 96 1991 83 -1 87  
1994  
MINIMUM 55 5:07 AM 47 1978 62 -7 73  
AVERAGE 69 73 -4 80  
 
PRECIPITATION (IN)  
TODAY 0.08 2.82 2016 0.14 -0.06 0.31  
MONTH TO DATE 0.20 2.35 -2.15 1.54  
SINCE JUN 1 0.20 2.35 -2.15 1.54  
SINCE JAN 1 10.18 19.59 -9.41 18.76  
 
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 4 8 -4 15  
MONTH TO DATE 60 101 -41 127  
SINCE JUN 1 60 101 -41 127  
SINCE JAN 1 134 207 -73 256    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 11:00 AM  
LOWEST 50 4:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 96 2022  
MINIMUM TEMPERATURE (F) 63 46 1980  
 
SUNRISE AND SUNSET  
JUNE 16 2023..........SUNRISE 5:44 AM EDT SUNSET 8:37 PM EDT  
JUNE 17 2023..........SUNRISE 5:44 AM EDT SUNSET 8:38 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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