202  
CDUS41 KLWX 012134  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
434 PM EST FRI MAR 1 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 1 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 37 1212 AM 77 1972 50 -13 55  
MINIMUM 31 610 AM 11 1980 29 2 43  
AVERAGE 34 39 -5 49  
 
PRECIPITATION (IN)  
TODAY 0.12 1.06 1997 0.09 0.03 0.13  
MONTH TO DATE 0.12 0.09 0.03 0.13  
SINCE MAR 1 0.12 0.09 0.03 0.13  
SINCE JAN 1 7.58 5.51 2.07 6.52  
 
SNOWFALL (IN)  
TODAY 0.6 6.2 1969 0.2 0.4  
MONTH TO DATE 0.6 0.2 0.4  
SINCE JUL 1 25.5 19.1 6.4  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 31 26 5 16  
MONTH TO DATE 31 26 5 16  
SINCE MAR 1 31 26 5 16  
SINCE JUL 1 3536 3616 -80 3367  
 
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 12 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 6.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT SNOW  
SLEET  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 500 AM  
LOWEST 44 1200 AM  
AVERAGE 65  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 77 1972  
MINIMUM TEMPERATURE (F) 29 12 1980  
1967  
 
 
SUNRISE AND SUNSET  
MARCH 1 2019.........SUNRISE 643 AM EST SUNSET 602 PM EST  
MARCH 2 2019.........SUNRISE 641 AM EST SUNSET 603 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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