979  
CDUS41 KLWX 082124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT WED MAY 08 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 8 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 86 2:27 PM 90 2000 73 13 84  
MINIMUM 67 5:12 AM 29 1974 51 16 55  
AVERAGE 77 62 15 70  
 
PRECIPITATION (IN)  
TODAY 0.00 2.10 1960 0.15 -0.15 T  
MONTH TO DATE 1.50 1.14 0.36 0.52  
SINCE MAR 1 7.13 8.11 -0.98 5.39  
SINCE JAN 1 14.58 13.66 0.92 9.02  
 
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 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 0  
MONTH TO DATE 15 44 -29 69  
SINCE MAR 1 694 1011 -317 852  
SINCE JUL 1 3658 4521 -863 3816  
 
COOLING  
TODAY 12 2 10 5  
MONTH TO DATE 41 12 29 5  
SINCE MAR 1 85 34 51 50  
SINCE JAN 1 88 34 54 50    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 4:00 AM  
LOWEST 40 12:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 1963  
MINIMUM TEMPERATURE (F) 51 30 1976  
 
SUNRISE AND SUNSET  
MAY 8 2024...........SUNRISE 6:03 AM EDT SUNSET 8:10 PM EDT  
MAY 9 2024...........SUNRISE 6:02 AM EDT SUNSET 8:11 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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