666  
CDUS41 KLWX 232122  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
422 PM EST FRI FEB 23 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 23 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 3:02 PM 80 2023 48 4 80  
MINIMUM 37 3:43 AM 5 1963 28 9 42  
AVERAGE 45 38 7 61  
 
PRECIPITATION (IN)  
TODAY 0.05 1.34 1987 0.09 -0.04 T  
MONTH TO DATE 1.32 2.13 -0.81 2.06  
SINCE DEC 1 13.07 8.37 4.70 8.37  
SINCE JAN 1 7.32 5.07 2.25 3.42  
 
SNOWFALL (IN)  
TODAY 0.0 8.9 1987 0.3 -0.3 0.0  
MONTH TO DATE 1.7 6.0 -4.3 0.4  
SINCE DEC 1 11.7 15.7 -4.0 0.4  
SINCE JUL 1 11.7 16.0 -4.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 27 -7 4  
MONTH TO DATE 532 669 -137 466  
SINCE DEC 1 2074 2478 -404 2031  
SINCE JUL 1 2845 3378 -533 2865  
 
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 14 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 68 3:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 79 1985  
MINIMUM TEMPERATURE (F) 28 -4 2015  
 
SUNRISE AND SUNSET  
FEBRUARY 23 2024......SUNRISE 6:51 AM EST SUNSET 5:56 PM EST  
FEBRUARY 24 2024......SUNRISE 6:50 AM EST SUNSET 5:57 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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