166  
CDUS41 KLWX 092126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
426 PM EST SAT MAR 9 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 9 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 40 359 PM 82 2016 53 -13 43  
MINIMUM 33 638 AM 14 1996 31 2 24  
AVERAGE 37 42 -5 34  
 
PRECIPITATION (IN)  
TODAY 0.00 0.83 1999 0.11 -0.11 0.00  
MONTH TO DATE 1.46 0.86 0.60 0.24  
SINCE MAR 1 1.46 0.86 0.60 0.24  
SINCE JAN 1 8.92 6.28 2.64 6.63  
 
SNOWFALL (IN)  
TODAY 0.0 8.9 1999 0.1 -0.1  
MONTH TO DATE 1.6 1.2 0.4  
SINCE JUL 1 26.5 20.1 6.4  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 28 23 5 31  
MONTH TO DATE 284 220 64 227  
SINCE MAR 1 284 220 64 227  
SINCE JUL 1 3789 3810 -21 3578  
 
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 8 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 4.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 76 1200 PM  
AVERAGE 86  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 80 2016  
MINIMUM TEMPERATURE (F) 31 7 1996  
 
 
SUNRISE AND SUNSET  
MARCH 9 2019.........SUNRISE 631 AM EST SUNSET 611 PM EST  
MARCH 10 2019.........SUNRISE 729 AM EDT SUNSET 712 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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