860  
CDUS41 KLWX 272123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
422 PM EST WED FEB 27 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 27 2019
 
 
VALID TODAY AS OF 0400 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 39 156 PM 74 1997 50 -11 58  
MINIMUM 24 538 AM 8 1968 28 -4 26  
AVERAGE 32 39 -7 42  
 
PRECIPITATION (IN)  
TODAY 0.00 0.60 2000 0.10 -0.10 0.00  
MONTH TO DATE 3.50 2.65 0.85 4.60  
SINCE DEC 1 13.22 8.29 4.93 7.16  
SINCE JAN 1 7.46 5.33 2.13 6.39  
 
SNOWFALL (IN)  
TODAY 0.0 4.1 2003 0.2 -0.2  
MONTH TO DATE 6.4 7.4 -1.0  
SINCE JUL 1 24.9 18.7 6.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 33 26 7 23  
MONTH TO DATE 717 781 -64 618  
SINCE DEC 1 2522 2649 -127 2544  
SINCE JUL 1 3480 3565 -85 3338  
 
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 14 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 7.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 700 AM  
LOWEST 52 1100 AM  
AVERAGE 67  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 70 1976  
1965  
MINIMUM TEMPERATURE (F) 28 10 2014  
1993  
 
 
SUNRISE AND SUNSET  
FEBRUARY 27 2019......SUNRISE 645 AM EST SUNSET 600 PM EST  
FEBRUARY 28 2019......SUNRISE 644 AM EST SUNSET 601 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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