697  
CDUS41 KLWX 222259  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
558 PM EST FRI FEB 22 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 22 2019
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 48 1240 AM 71 1991 48 0 65  
MINIMUM 38 442 AM 4 1968 27 11 41  
AVERAGE 43 38 5 53  
 
PRECIPITATION (IN)  
TODAY T 1.69 2003 0.09 -0.09 0.09  
MONTH TO DATE 2.87 2.16 0.71 3.96  
SINCE DEC 1 12.59 7.80 4.79 6.52  
SINCE JAN 1 6.83 4.84 1.99 5.75  
 
SNOWFALL (IN)  
TODAY MM 3.5 1986 0.3 MM  
MONTH TO DATE 6.4 6.4 0.0  
SINCE JUL 1 24.9 17.7 7.2  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 22 27 -5 12  
MONTH TO DATE 591 648 -57 518  
SINCE DEC 1 2396 2516 -120 2444  
SINCE JUL 1 3354 3432 -78 3238  
 
COOLING  
TODAY 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 13 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 500 AM  
LOWEST 42 1200 AM  
AVERAGE 64  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 77 2017  
MINIMUM TEMPERATURE (F) 27 5 1963  
 
 
SUNRISE AND SUNSET  
FEBRUARY 22 2019......SUNRISE 652 AM EST SUNSET 555 PM EST  
FEBRUARY 23 2019......SUNRISE 651 AM EST SUNSET 556 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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