918  
CDUS41 KLWX 132136  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT WED MAR 13 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 13 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 61 348 PM 87 1990 54 7 47  
MINIMUM 24 621 AM 16 1998 32 -8 30  
AVERAGE 43 43 0 39  
 
PRECIPITATION (IN)  
TODAY 0.00 1.63 1977 0.10 -0.10 0.00  
MONTH TO DATE 1.80 1.25 0.55 0.24  
SINCE MAR 1 1.80 1.25 0.55 0.24  
SINCE JAN 1 9.26 6.67 2.59 6.63  
 
SNOWFALL (IN)  
TODAY 0.0 13.9 1993 0.0 0.0  
MONTH TO DATE 1.6 1.6 0.0  
SINCE JUL 1 26.5 20.5 6.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 22 0 26  
MONTH TO DATE 359 310 49 343  
SINCE MAR 1 359 310 49 343  
SINCE JUL 1 3864 3900 -36 3694  
 
COOLING  
TODAY 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 18 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.5  
 
 
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 88 600 AM  
LOWEST 28 1200 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 55 88 1990  
MINIMUM TEMPERATURE (F) 32 15 1993  
1968  
 
 
SUNRISE AND SUNSET  
MARCH 13 2019.........SUNRISE 725 AM EDT SUNSET 715 PM EDT  
MARCH 14 2019.........SUNRISE 723 AM EDT SUNSET 716 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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