145  
CDUS41 KLWX 242125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
525 PM EDT WED APR 24 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 24 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 75 2:47 PM 85 1990 70 5 61  
1994  
2011  
MINIMUM 57 5:58 AM 30 1989 46 11 41  
AVERAGE 66 58 8 51  
 
PRECIPITATION (IN)  
TODAY T 1.25 1983 0.12 -0.12 0.00  
MONTH TO DATE 1.45 2.70 -1.25 0.81  
SINCE MAR 1 5.34 6.20 -0.86 2.38  
SINCE JAN 1 12.79 11.75 1.04 6.01  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 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 0 8 -8 14  
MONTH TO DATE 184 278 -94 159  
SINCE MAR 1 648 925 -277 729  
SINCE JUL 1 3612 4435 -823 3693  
 
COOLING  
TODAY 1 1 0 0  
MONTH TO DATE 20 13 7 44  
SINCE MAR 1 20 15 5 45  
SINCE JAN 1 23 15 8 45    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 6:00 AM  
LOWEST 26 4:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 1960  
MINIMUM TEMPERATURE (F) 46 29 1969  
 
SUNRISE AND SUNSET  
APRIL 24 2024.........SUNRISE 6:20 AM EDT SUNSET 7:56 PM EDT  
APRIL 25 2024.........SUNRISE 6:19 AM EDT SUNSET 7:57 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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