781  
CDUS41 KLWX 070530  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
130 AM EDT FRI JUN 07 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 6 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 5:02 PM 93 2021 80 8 83  
MINIMUM 68 11:42 PM 39 1976 59 9 50  
AVERAGE 78 70 8 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.83 1983 0.15 -0.14 0.00  
MONTH TO DATE 0.19 0.89 -0.70 T  
SINCE JUN 1 0.19 0.89 -0.70 T  
SINCE JAN 1 17.49 18.13 -0.64 9.98  
 
SNOWFALL (IN)  
YESTERDAY 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 11.7 21.0 -9.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 8 -8 0  
SINCE JUN 1 0 8 -8 0  
SINCE JUL 1 3691 4600 -909 3857  
 
COOLING  
YESTERDAY 13 6 7 2  
MONTH TO DATE 53 32 21 26  
SINCE JUN 1 53 32 21 26  
SINCE JAN 1 236 138 98 100    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 2:00 AM  
LOWEST 57 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1999  
MINIMUM TEMPERATURE (F) 60 45 1977  
 
SUNRISE AND SUNSET  
JUNE 7 2024..........SUNRISE 5:44 AM EDT SUNSET 8:34 PM EDT  
JUNE 8 2024..........SUNRISE 5:44 AM EDT SUNSET 8:34 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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