038  
CDUS41 KLWX 272128  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
528 PM EDT SAT APR 27 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 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 57 3:59 PM 92 1990 71 -14 72  
2009  
MINIMUM 52 6:29 AM 31 1972 47 5 46  
1987  
AVERAGE 55 59 -4 59  
 
PRECIPITATION (IN)  
TODAY 0.15 1.65 1973 0.13 0.02 0.00  
MONTH TO DATE 1.60 3.08 -1.48 0.83  
SINCE MAR 1 5.49 6.58 -1.09 2.40  
SINCE JAN 1 12.94 12.13 0.81 6.03  
 
SNOWFALL (IN)  
TODAY 0.0 T 1994 0.0 0.0 0.0  
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 10 7 3 6  
MONTH TO DATE 215 300 -85 191  
SINCE MAR 1 679 947 -268 761  
SINCE JUL 1 3643 4457 -814 3725  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 20 16 4 44  
SINCE MAR 1 20 18 2 45  
SINCE JAN 1 23 18 5 45    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 3:00 PM  
LOWEST 50 12:00 AM  
AVERAGE 68  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 88 1983  
1990  
2021  
MINIMUM TEMPERATURE (F) 48 32 1972  
1993  
 
SUNRISE AND SUNSET  
APRIL 27 2024.........SUNRISE 6:16 AM EDT SUNSET 7:59 PM EDT  
APRIL 28 2024.........SUNRISE 6:15 AM EDT SUNSET 8:00 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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