829  
CDUS41 KLWX 060526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT SAT APR 06 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 5 2024
 
 
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)  
YESTERDAY  
MAXIMUM 56 12:41 PM 88 2023 63 -7 88  
MINIMUM 37 5:44 AM 22 1965 40 -3 58  
AVERAGE 47 51 -4 73  
 
PRECIPITATION (IN)  
YESTERDAY T 1.75 1960 0.10 -0.10 0.00  
MONTH TO DATE 1.28 0.54 0.74 0.21  
SINCE MAR 1 5.17 4.04 1.13 1.78  
SINCE JAN 1 12.62 9.59 3.03 5.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1987 0.1 -0.1 0.0  
2007  
2016  
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  
YESTERDAY 18 14 4 0  
MONTH TO DATE 77 74 3 34  
SINCE MAR 1 541 721 -180 604  
SINCE JUL 1 3505 4231 -726 3568  
 
COOLING  
YESTERDAY 0 0 0 8  
MONTH TO DATE 0 0 0 11  
SINCE MAR 1 0 2 -2 12  
SINCE JAN 1 3 2 1 12    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 5:00 AM  
LOWEST 41 1:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 93 2010  
MINIMUM TEMPERATURE (F) 40 24 1966  
2016  
 
SUNRISE AND SUNSET  
APRIL 6 2024.........SUNRISE 6:46 AM EDT SUNSET 7:39 PM EDT  
APRIL 7 2024.........SUNRISE 6:44 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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