925  
CDUS41 KLWX 042130  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
427 PM EST MON MAR 4 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 4 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 40 320 PM 79 1983 51 -11 50  
1974  
MINIMUM 31 1048 AM -1 2014 29 2 31  
AVERAGE 36 40 -4 41  
 
PRECIPITATION (IN)  
TODAY T 2.16 1993 0.09 -0.09 0.00  
MONTH TO DATE 1.27 0.37 0.90 0.13  
SINCE MAR 1 1.27 0.37 0.90 0.13  
SINCE JAN 1 8.73 5.79 2.94 6.52  
 
SNOWFALL (IN)  
TODAY T 0.6 2016 0.1 -0.1  
1971  
MONTH TO DATE 0.6 0.6 0.0  
SINCE JUL 1 25.5 19.5 6.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 29 25 4 24  
MONTH TO DATE 111 101 10 85  
SINCE MAR 1 111 101 10 85  
SINCE JUL 1 3616 3691 -75 3436  
 
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 25 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 14.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
SLEET  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 300 AM  
LOWEST 44 400 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 79 1976  
MINIMUM TEMPERATURE (F) 30 7 1978  
 
 
SUNRISE AND SUNSET  
MARCH 4 2019.........SUNRISE 638 AM EST SUNSET 605 PM EST  
MARCH 5 2019.........SUNRISE 637 AM EST SUNSET 606 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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