531  
CDUS41 KLWX 300525  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT SAT MAR 30 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 29 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 68 244 PM 86 1998 61 7 76  
MINIMUM 46 1159 PM 20 1982 37 9 46  
AVERAGE 57 49 8 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 2001 0.13 -0.13 T  
MONTH TO DATE 4.54 3.13 1.41 1.78  
SINCE MAR 1 4.54 3.13 1.41 1.78  
SINCE JAN 1 12.00 8.55 3.45 8.17  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.2 1984 0.0 0.0  
MONTH TO DATE 1.6 2.7 -1.1  
SINCE JUL 1 26.5 21.6 4.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 16 -8 4  
MONTH TO DATE 663 616 47 752  
SINCE MAR 1 663 616 47 752  
SINCE JUL 1 4168 4206 -38 4103  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 4.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1000 PM  
LOWEST 40 200 PM  
AVERAGE 56  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 89 1998  
MINIMUM TEMPERATURE (F) 37 22 1970  
 
 
SUNRISE AND SUNSET  
MARCH 30 2019.........SUNRISE 658 AM EDT SUNSET 731 PM EDT  
MARCH 31 2019.........SUNRISE 656 AM EDT SUNSET 732 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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