232  
CDUS41 KLWX 092127  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
527 PM EDT SUN JUN 09 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 9 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 10:58 AM 97 2011 81 3 75  
MINIMUM 65 1:55 AM 43 1975 60 5 50  
AVERAGE 75 71 4 63  
 
PRECIPITATION (IN)  
TODAY 0.05 0.66 1977 0.14 -0.09 T  
MONTH TO DATE 0.25 1.33 -1.08 T  
SINCE JUN 1 0.25 1.33 -1.08 T  
SINCE JAN 1 17.55 18.57 -1.02 9.98  
 
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 11.7 21.0 -9.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 1 -1 2  
MONTH TO DATE 0 11 -11 2  
SINCE JUN 1 0 11 -11 2  
SINCE JUL 1 3691 4603 -912 3859  
 
COOLING  
TODAY 10 6 4 0  
MONTH TO DATE 77 50 27 31  
SINCE JUN 1 77 50 27 31  
SINCE JAN 1 260 156 104 105    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 12:00 PM  
LOWEST 35 4:00 PM  
AVERAGE 58  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 99 1964  
MINIMUM TEMPERATURE (F) 60 43 1988  
 
SUNRISE AND SUNSET  
JUNE 9 2024..........SUNRISE 5:44 AM EDT SUNSET 8:35 PM EDT  
JUNE 10 2024..........SUNRISE 5:44 AM EDT SUNSET 8:35 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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