933  
CDUS41 KLWX 072123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT TUE MAY 07 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 7 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 81 2:47 PM 90 1986 73 8 74  
2000  
MINIMUM 65 5:37 AM 28 1970 50 15 49  
AVERAGE 73 62 11 62  
 
PRECIPITATION (IN)  
TODAY T 1.51 1967 0.13 -0.13 0.43  
MONTH TO DATE 1.50 0.99 0.51 0.52  
SINCE MAR 1 7.13 7.96 -0.83 5.39  
SINCE JAN 1 14.58 13.51 1.07 9.02  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 MM  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 T 4.0 -4.0 T  
SINCE JUL 1 11.7 21.0 -9.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 5 -5 3  
MONTH TO DATE 15 39 -24 69  
SINCE MAR 1 694 1006 -312 852  
SINCE JUL 1 3658 4516 -858 3816  
 
COOLING  
TODAY 8 2 6 0  
MONTH TO DATE 29 10 19 0  
SINCE MAR 1 73 32 41 45  
SINCE JAN 1 76 32 44 45    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 66 11:00 AM  
AVERAGE 82  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 90 2000  
MINIMUM TEMPERATURE (F) 51 29 1974  
 
SUNRISE AND SUNSET  
MAY 7 2024...........SUNRISE 6:04 AM EDT SUNSET 8:09 PM EDT  
MAY 8 2024...........SUNRISE 6:03 AM EDT SUNSET 8:10 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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