415  
CDUS41 KLWX 022124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT WED JUN 02 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 2 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 81 3:25 PM 91 1978 79 2 81  
2000  
2009  
MINIMUM 63 5:01 AM 41 1993 58 5 50  
AVERAGE 72 69 3 66  
 
PRECIPITATION (IN)  
TODAY 0.00 2.93 1969 0.15 -0.15 T  
MONTH TO DATE 0.00 0.30 -0.30 T  
SINCE JUN 1 0.00 0.30 -0.30 T  
SINCE JAN 1 13.58 17.54 -3.96 16.52  
 
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 2 -2 0  
MONTH TO DATE 0 4 -4 5  
SINCE JUN 1 0 4 -4 5  
SINCE JUL 1 4152 4596 -444 4154  
 
COOLING  
TODAY 7 5 2 1  
MONTH TO DATE 8 10 -2 1  
SINCE JUN 1 8 10 -2 1  
SINCE JAN 1 117 116 1 78    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 12:00 AM  
LOWEST 49 1:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 95 2020  
MINIMUM TEMPERATURE (F) 58 39 1986  
 
SUNRISE AND SUNSET  
JUNE 2 2021..........SUNRISE 5:46 AM EDT SUNSET 8:30 PM EDT  
JUNE 3 2021..........SUNRISE 5:45 AM EDT SUNSET 8:31 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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