727  
CDUS41 KLWX 040521  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
121 AM EDT TUE JUN 04 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 3 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 85 4:57 PM 95 2020 80 5 86  
MINIMUM 64 11:59 PM 39 1986 58 6 62  
AVERAGE 75 69 6 74  
 
PRECIPITATION (IN)  
YESTERDAY T 4.34 1991 0.14 -0.14 T  
MONTH TO DATE T 0.44 -0.44 T  
SINCE JUN 1 T 0.44 -0.44 T  
SINCE JAN 1 17.30 17.68 -0.38 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 5 -5 0  
SINCE JUN 1 0 5 -5 0  
SINCE JUL 1 3691 4597 -906 3857  
 
COOLING  
YESTERDAY 10 5 5 9  
MONTH TO DATE 17 15 2 21  
SINCE JUN 1 17 15 2 21  
SINCE JAN 1 200 121 79 95    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 49 2:00 PM  
AVERAGE 68  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 91 2020  
MINIMUM TEMPERATURE (F) 59 40 1976  
1977  
 
SUNRISE AND SUNSET  
JUNE 4 2024..........SUNRISE 5:45 AM EDT SUNSET 8:32 PM EDT  
JUNE 5 2024..........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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