276  
CDUS41 KLWX 152134  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
434 PM EST THU FEB 15 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 15 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 52 3:59 PM 76 2018 46 6 70  
MINIMUM 23 7:04 AM 6 2015 27 -4 49  
AVERAGE 38 36 2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 2021 0.09 -0.09 T  
MONTH TO DATE 1.10 1.37 -0.27 1.07  
SINCE DEC 1 12.85 7.61 5.24 7.38  
SINCE JAN 1 7.10 4.31 2.79 2.43  
 
SNOWFALL (IN)  
TODAY 0.0 4.2 2003 0.3 -0.3 0.0  
MONTH TO DATE 0.6 4.1 -3.5 0.4  
SINCE DEC 1 10.6 13.8 -3.2 0.4  
SINCE JUL 1 10.6 14.1 -3.5 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 29 -2 5  
MONTH TO DATE 325 448 -123 339  
SINCE DEC 1 1867 2257 -390 1904  
SINCE JUL 1 2638 3157 -519 2738  
 
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 21 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 7:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 70 1976  
MINIMUM TEMPERATURE (F) 27 6 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 15 2024......SUNRISE 7:02 AM EST SUNSET 5:47 PM EST  
FEBRUARY 16 2024......SUNRISE 7:00 AM EST SUNSET 5:48 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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