752  
CDUS41 KLWX 272124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT THU JUN 27 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 27 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 90 3:44 PM 100 1964 86 4 86  
MINIMUM 70 5:12 AM 44 1979 65 5 68  
AVERAGE 80 76 4 77  
 
PRECIPITATION (IN)  
TODAY T 1.47 2006 0.14 -0.14 0.35  
2015  
MONTH TO DATE 0.64 3.88 -3.24 1.96  
SINCE JUN 1 0.64 3.88 -3.24 1.96  
SINCE JAN 1 17.94 21.12 -3.18 11.94  
 
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 0 0 0  
MONTH TO DATE 0 11 -11 5  
SINCE JUN 1 0 11 -11 5  
SINCE JUL 1 3691 4603 -912 3862  
 
COOLING  
TODAY 15 11 4 12  
MONTH TO DATE 305 205 100 154  
SINCE JUN 1 305 205 100 154  
SINCE JAN 1 488 311 177 228    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 34 4:00 PM  
AVERAGE 66  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 97 1966  
MINIMUM TEMPERATURE (F) 65 44 1970  
 
SUNRISE AND SUNSET  
JUNE 27 2024..........SUNRISE 5:47 AM EDT SUNSET 8:39 PM EDT  
JUNE 28 2024..........SUNRISE 5:47 AM EDT SUNSET 8:39 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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