172  
CDUS41 KLWX 040534  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1233 AM EST MON MAR 4 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 3 2019
 
 
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)  
YESTERDAY  
MAXIMUM 42 1222 AM 74 1967 51 -9 49  
MINIMUM 33 1159 PM 1 2014 29 4 33  
AVERAGE 38 40 -2 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.54 1.43 1997 0.10 0.44 0.00  
MONTH TO DATE 1.27 0.28 0.99 0.13  
SINCE MAR 1 1.27 0.28 0.99 0.13  
SINCE JAN 1 8.73 5.70 3.03 6.52  
 
SNOWFALL (IN)  
YESTERDAY T 4.9 2014 0.2 -0.2  
1978  
MONTH TO DATE 0.6 0.5 0.1  
SINCE JUL 1 25.5 19.4 6.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 25 2 24  
MONTH TO DATE 82 76 6 61  
SINCE MAR 1 82 76 6 61  
SINCE JUL 1 3587 3666 -79 3412  
 
COOLING  
YESTERDAY 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 13 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 800 PM  
LOWEST 50 1000 AM  
AVERAGE 73  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 79 1983  
1974  
MINIMUM TEMPERATURE (F) 29 -1 2014  
 
 
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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