992  
CDUS41 KLWX 262131  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
531 PM EDT FRI APR 26 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 26 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 67 3:04 PM 92 1990 71 -4 69  
2009  
MINIMUM 39 4:19 AM 31 1967 47 -8 38  
AVERAGE 53 59 -6 54  
 
PRECIPITATION (IN)  
TODAY 0.00 0.93 2004 0.12 -0.12 0.02  
MONTH TO DATE 1.45 2.95 -1.50 0.83  
SINCE MAR 1 5.34 6.45 -1.11 2.40  
SINCE JAN 1 12.79 12.00 0.79 6.03  
 
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 12 7 5 11  
MONTH TO DATE 205 293 -88 185  
SINCE MAR 1 669 940 -271 755  
SINCE JUL 1 3633 4450 -817 3719  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 20 15 5 44  
SINCE MAR 1 20 17 3 45  
SINCE JAN 1 23 17 6 45    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 4:00 AM  
LOWEST 22 1:00 PM  
AVERAGE 56  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 92 1990  
2009  
MINIMUM TEMPERATURE (F) 47 31 1972  
1987  
 
SUNRISE AND SUNSET  
APRIL 26 2024.........SUNRISE 6:17 AM EDT SUNSET 7:58 PM EDT  
APRIL 27 2024.........SUNRISE 6:16 AM EDT SUNSET 7:59 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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