728  
CDUS41 KLWX 062122  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
522 PM EDT SUN JUN 06 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 6 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 93R 3:29 PM 92 2005 80 13 90  
MINIMUM 69 5:09 AM 39 1976 59 10 66  
AVERAGE 81 70 11 78  
 
PRECIPITATION (IN)  
TODAY 0.00 1.83 1983 0.15 -0.15 0.00  
MONTH TO DATE 0.03 0.89 -0.86 1.87  
SINCE JUN 1 0.03 0.89 -0.86 1.87  
SINCE JAN 1 13.61 18.13 -4.52 18.39  
 
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 12.0 21.0 -9.0 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 5  
SINCE JUN 1 0 8 -8 5  
SINCE JUL 1 4152 4600 -448 4154  
 
COOLING  
TODAY 16 6 10 13  
MONTH TO DATE 57 32 25 55  
SINCE JUN 1 57 32 25 55  
SINCE JAN 1 166 138 28 132    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 6.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 4:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1999  
MINIMUM TEMPERATURE (F) 60 45 1977  
 
SUNRISE AND SUNSET  
JUNE 6 2021..........SUNRISE 5:45 AM EDT SUNSET 8:33 PM EDT  
JUNE 7 2021..........SUNRISE 5:44 AM EDT SUNSET 8:33 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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