503  
CDUS41 KLWX 250523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST MON FEB 25 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 24 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 520 PM 79 1985 49 10 51  
MINIMUM 36 728 AM -4 2015 28 8 47  
AVERAGE 48 38 10 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.52 1.52 1979 0.10 0.42 0.32  
MONTH TO DATE 3.50 2.36 1.14 4.41  
SINCE DEC 1 13.22 8.00 5.22 6.97  
SINCE JAN 1 7.46 5.04 2.42 6.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.1 1966 0.2 -0.2  
MONTH TO DATE 6.4 6.8 -0.4  
SINCE JUL 1 24.9 18.1 6.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 27 -10 16  
MONTH TO DATE 637 702 -65 556  
SINCE DEC 1 2442 2570 -128 2482  
SINCE JUL 1 3400 3486 -86 3276  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE DEC 1 0 0 0 5  
SINCE JAN 1 0 0 0 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 38 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 49 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 28 1000 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 79 2000  
MINIMUM TEMPERATURE (F) 28 6 2015  
 
 
SUNRISE AND SUNSET  
FEBRUARY 25 2019......SUNRISE 648 AM EST SUNSET 558 PM EST  
FEBRUARY 26 2019......SUNRISE 647 AM EST SUNSET 559 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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