974  
CDUS41 KLWX 142123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT SUN APR 14 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 14 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 3:50 PM 87 1960 67 17 83  
MINIMUM 42 3:29 AM 20 1975 43 -1 54  
AVERAGE 63 55 8 69  
 
PRECIPITATION (IN)  
TODAY 0.00 2.13 1970 0.11 -0.11 T  
MONTH TO DATE 1.43 1.54 -0.11 0.34  
SINCE MAR 1 5.32 5.04 0.28 1.91  
SINCE JAN 1 12.77 10.59 2.18 5.54  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
MONTH TO DATE T 0.1 -0.1 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 2 11 -9 0  
MONTH TO DATE 132 185 -53 104  
SINCE MAR 1 596 832 -236 674  
SINCE JUL 1 3560 4342 -782 3638  
 
COOLING  
TODAY 0 1 -1 4  
MONTH TO DATE 9 3 6 27  
SINCE MAR 1 9 5 4 28  
SINCE JAN 1 12 5 7 28    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 3:00 AM  
LOWEST 27 2:00 PM  
AVERAGE 44  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 87 1967  
MINIMUM TEMPERATURE (F) 43 28 1971  
1997  
 
SUNRISE AND SUNSET  
APRIL 14 2024.........SUNRISE 6:34 AM EDT SUNSET 7:47 PM EDT  
APRIL 15 2024.........SUNRISE 6:32 AM EDT SUNSET 7:48 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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