545  
CDUS41 KLWX 270527  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST WED FEB 27 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 26 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 54 410 PM 69 2002 49 5 51  
1977  
MINIMUM 28 715 AM 7 1970 28 0 30  
AVERAGE 41 39 2 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.93 1962 0.09 -0.09 0.00  
MONTH TO DATE 3.50 2.55 0.95 4.60  
SINCE DEC 1 13.22 8.19 5.03 7.16  
SINCE JAN 1 7.46 5.23 2.23 6.39  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.7 1993 0.2 -0.2  
MONTH TO DATE 6.4 7.2 -0.8  
SINCE JUL 1 24.9 18.5 6.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 26 -2 24  
MONTH TO DATE 684 755 -71 595  
SINCE DEC 1 2489 2623 -134 2521  
SINCE JUL 1 3447 3539 -92 3315  
 
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 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 1100 PM  
LOWEST 24 200 PM  
AVERAGE 40  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 74 1997  
MINIMUM TEMPERATURE (F) 28 8 1968  
 
 
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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