504  
CDUS41 KLWX 282140  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
440 PM EST WED FEB 28 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 28 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 65 1:52 PM 70 1965 49 16 63  
1976  
MINIMUM 57 5:53 AM 10 1993 29 28 40  
2014  
AVERAGE 61 39 22 52  
 
PRECIPITATION (IN)  
TODAY 0.02 1.13 1966 0.10 -0.08 0.01  
MONTH TO DATE 1.35 2.61 -1.26 2.27  
SINCE DEC 1 13.10 8.85 4.25 8.58  
SINCE JAN 1 7.35 5.55 1.80 3.63  
 
SNOWFALL (IN)  
TODAY 0.0 4.1 2005 0.2 -0.2 0.0  
MONTH TO DATE 1.7 7.0 -5.3 0.4  
SINCE DEC 1 11.7 16.7 -5.0 0.4  
SINCE JUL 1 11.7 17.0 -5.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 26 -22 13  
MONTH TO DATE 618 800 -182 565  
SINCE DEC 1 2160 2609 -449 2130  
SINCE JUL 1 2931 3509 -578 2964  
 
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 25 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 AM  
LOWEST 65 12:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 75 1972  
MINIMUM TEMPERATURE (F) 29 3 1980  
 
SUNRISE AND SUNSET  
FEBRUARY 28 2024......SUNRISE 6:44 AM EST SUNSET 6:01 PM EST  
FEBRUARY 29 2024......SUNRISE 6:43 AM EST SUNSET 6:02 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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