353  
CDUS41 KLWX 062125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
525 PM EDT SUN APR 06 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 6 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 62 9:59 AM 93 2010 63 -1 57  
MINIMUM 55 3:59 PM 24 1966 40 15 38  
2016  
AVERAGE 59 52 7 48  
 
PRECIPITATION (IN)  
TODAY T 1.57 2017 0.11 -0.11 0.00  
MONTH TO DATE 0.14 0.65 -0.51 1.28  
SINCE MAR 1 1.56 4.15 -2.59 5.17  
SINCE JAN 1 5.98 9.70 -3.72 12.62  
 
SNOWFALL (IN)  
TODAY 0.0 2.7 1990 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 T  
SINCE MAR 1 0.0 4.0 -4.0 T  
SINCE JUL 1 15.5 21.0 -5.5 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 14 -8 17  
MONTH TO DATE 43 88 -45 94  
SINCE MAR 1 493 735 -242 558  
SINCE JUL 1 3815 4245 -430 3522  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 2 0 2 0  
SINCE MAR 1 19 2 17 0  
SINCE JAN 1 19 2 17 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 11:00 AM  
LOWEST 75 2:00 PM  
AVERAGE 84  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 91 2010  
MINIMUM TEMPERATURE (F) 40 21 1977  
 
SUNRISE AND SUNSET  
APRIL 6 2025.........SUNRISE 6:46 AM EDT SUNSET 7:39 PM EDT  
APRIL 7 2025.........SUNRISE 6:45 AM EDT SUNSET 7:40 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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