408  
CDUS41 KLWX 142125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
425 PM EST WED FEB 14 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 14 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 46 3:59 PM 71 1990 46 0 62  
MINIMUM 35 5:18 AM -5 1979 26 9 29  
AVERAGE 41 36 5 46  
 
PRECIPITATION (IN)  
TODAY 0.00 1.27 1984 0.09 -0.09 0.00  
MONTH TO DATE 1.10 1.28 -0.18 1.07  
SINCE DEC 1 12.85 7.52 5.33 7.38  
SINCE JAN 1 7.10 4.22 2.88 2.43  
 
SNOWFALL (IN)  
TODAY 0.0 3.4 1970 0.2 -0.2 0.0  
MONTH TO DATE 0.6 3.8 -3.2 0.4  
SINCE DEC 1 10.6 13.5 -2.9 0.4  
SINCE JUL 1 10.6 13.8 -3.2 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 24 29 -5 19  
MONTH TO DATE 294 419 -125 334  
SINCE DEC 1 1836 2228 -392 1899  
SINCE JUL 1 2607 3128 -521 2733  
 
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 NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 2:00 AM  
LOWEST 35 4:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 76 2018  
MINIMUM TEMPERATURE (F) 27 6 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 14 2024......SUNRISE 7:03 AM EST SUNSET 5:46 PM EST  
FEBRUARY 15 2024......SUNRISE 7:02 AM EST SUNSET 5:47 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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