881  
CDUS41 KLWX 032121  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
521 PM EDT THU JUN 03 2021  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 3 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 84 3:24 PM 95 2020 80 4 95  
MINIMUM 66 4:06 AM 39 1986 58 8 64  
AVERAGE 75 69 6 80  
 
PRECIPITATION (IN)  
TODAY 0.03 4.34 1991 0.14 -0.11 T  
MONTH TO DATE 0.03 0.44 -0.41 T  
SINCE JUN 1 0.03 0.44 -0.41 T  
SINCE JAN 1 13.61 17.68 -4.07 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 1 -1 0  
MONTH TO DATE 0 5 -5 5  
SINCE JUN 1 0 5 -5 5  
SINCE JUL 1 4152 4597 -445 4154  
 
COOLING  
TODAY 10 5 5 15  
MONTH TO DATE 18 15 3 16  
SINCE JUN 1 18 15 3 16  
SINCE JAN 1 127 121 6 93    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 AM  
LOWEST 57 3:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 2020  
MINIMUM TEMPERATURE (F) 59 40 1976  
1977  
 
SUNRISE AND SUNSET  
JUNE 3 2021..........SUNRISE 5:45 AM EDT SUNSET 8:31 PM EDT  
JUNE 4 2021..........SUNRISE 5:45 AM EDT SUNSET 8:32 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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