249  
CDUS41 KLWX 270536  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1236 AM EST TUE FEB 27 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 26 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 69R 3:55 PM 69 1977 49 20 59  
2002  
MINIMUM 33 6:55 AM 7 1970 29 4 36  
AVERAGE 51 39 12 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 1962 0.09 -0.09 0.00  
MONTH TO DATE 1.32 2.42 -1.10 2.07  
SINCE DEC 1 13.07 8.66 4.41 8.38  
SINCE JAN 1 7.32 5.36 1.96 3.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 1993 0.2 -0.2 0.0  
MONTH TO DATE 1.7 6.6 -4.9 0.4  
SINCE DEC 1 11.7 16.3 -4.6 0.4  
SINCE JUL 1 11.7 16.6 -4.9 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 26 -12 17  
MONTH TO DATE 601 748 -147 530  
SINCE DEC 1 2143 2557 -414 2095  
SINCE JUL 1 2914 3457 -543 2929  
 
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 12 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 7:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 74 1997  
MINIMUM TEMPERATURE (F) 29 8 1968  
 
SUNRISE AND SUNSET  
FEBRUARY 27 2024......SUNRISE 6:46 AM EST SUNSET 6:00 PM EST  
FEBRUARY 28 2024......SUNRISE 6:44 AM EST SUNSET 6:01 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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