609  
CDUS41 KLWX 192124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST MON FEB 19 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 19 2024
 
 
VALID TODAY AS OF 0400 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 50 3:52 PM 71 1997 47 3 64  
MINIMUM 25 7:03 AM 6 2015 27 -2 31  
AVERAGE 38 37 1 48  
 
PRECIPITATION (IN)  
TODAY 0.00 1.34 1972 0.09 -0.09 0.00  
MONTH TO DATE 1.23 1.75 -0.52 2.03  
SINCE DEC 1 12.98 7.99 4.99 8.34  
SINCE JAN 1 7.23 4.69 2.54 3.39  
 
SNOWFALL (IN)  
TODAY 0.0 13.8 1979 0.3 -0.3 0.0  
MONTH TO DATE 1.7 5.1 -3.4 0.4  
SINCE DEC 1 11.7 14.8 -3.1 0.4  
SINCE JUL 1 11.7 15.1 -3.4 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 28 -1 17  
MONTH TO DATE 434 560 -126 413  
SINCE DEC 1 1976 2369 -393 1978  
SINCE JUL 1 2747 3269 -522 2812  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 3 0 3 0  
SINCE JAN 1 3 0 3 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 7:00 AM  
LOWEST 30 4:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 77 2018  
MINIMUM TEMPERATURE (F) 28 -2 1979  
 
SUNRISE AND SUNSET  
FEBRUARY 19 2024......SUNRISE 6:57 AM EST SUNSET 5:51 PM EST  
FEBRUARY 20 2024......SUNRISE 6:55 AM EST SUNSET 5:52 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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