580  
CDUS41 KLWX 252125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
525 PM EDT MON MAR 25 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 25 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 62 1012 AM 78 2017 59 3 47  
MINIMUM 40 634 AM 17 1971 36 4 26  
AVERAGE 51 47 4 37  
 
PRECIPITATION (IN)  
TODAY T 0.96 1984 0.12 -0.12 0.00  
MONTH TO DATE 4.54 2.63 1.91 1.51  
SINCE MAR 1 4.54 2.63 1.91 1.51  
SINCE JAN 1 12.00 8.05 3.95 7.90  
 
SNOWFALL (IN)  
TODAY 0.0 3.8 2014 0.0 0.0  
MONTH TO DATE 1.6 2.5 -0.9  
SINCE JUL 1 26.5 21.4 5.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 14 18 -4 28  
MONTH TO DATE 586 548 38 672  
SINCE MAR 1 586 548 38 672  
SINCE JUL 1 4091 4138 -47 4023  
 
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 N (10)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 3.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 600 AM  
LOWEST 34 1000 AM  
AVERAGE 55  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 78 2004  
MINIMUM TEMPERATURE (F) 36 17 1983  
 
 
SUNRISE AND SUNSET  
MARCH 25 2019.........SUNRISE 706 AM EDT SUNSET 726 PM EDT  
MARCH 26 2019.........SUNRISE 704 AM EDT SUNSET 727 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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