162  
CDUS41 KLWX 292133  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
433 PM EST THU FEB 29 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 29 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 3:59 PM 75 1972 50 0 63  
MINIMUM 31 7:22 AM 3 1980 29 2 40  
AVERAGE 41 40 1 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.35 2012 0.10 -0.10 0.01  
MONTH TO DATE 1.45 2.61 -1.16 2.27  
SINCE DEC 1 13.20 8.85 4.35 8.58  
SINCE JAN 1 7.45 5.55 1.90 3.63  
 
SNOWFALL (IN)  
TODAY 0.0 4.2 1968 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 24 26 -2 13  
MONTH TO DATE 651 852 -201 565  
SINCE DEC 1 2193 2661 -468 2130  
SINCE JUL 1 2964 3561 -597 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 26 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 16.4  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 2:00 AM  
LOWEST 21 4:00 PM  
AVERAGE 40  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 77 1972  
MINIMUM TEMPERATURE (F) 30 11 1980  
 
SUNRISE AND SUNSET  
FEBRUARY 29 2024......SUNRISE 6:43 AM EST SUNSET 6:02 PM EST  
MARCH 1 2024.........SUNRISE 6:41 AM EST SUNSET 6:03 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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