543  
CDUS41 KLWX 160523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST FRI FEB 16 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 15 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 52 4:46 PM 76 2018 46 6 70  
MINIMUM 23 7:04 AM 6 2015 27 -4 49  
AVERAGE 38 36 2 60  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 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 30 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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 TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 70 1976  
MINIMUM TEMPERATURE (F) 27 6 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 16 2024......SUNRISE 7:00 AM EST SUNSET 5:48 PM EST  
FEBRUARY 17 2024......SUNRISE 6:59 AM EST SUNSET 5:49 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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