861  
CDUS41 KLWX 212125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT THU MAR 21 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 21 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 46 1216 AM 78 2010 57 -11 34  
MINIMUM 42 1103 AM 14 1965 34 8 30  
AVERAGE 44 46 -2 32  
 
PRECIPITATION (IN)  
TODAY 2.01R 1.29 2000 0.12 1.89 0.49  
MONTH TO DATE 3.81 2.16 1.65 1.51  
SINCE MAR 1 3.81 2.16 1.65 1.51  
SINCE JAN 1 11.27 7.58 3.69 7.90  
 
SNOWFALL (IN)  
TODAY 0.0 4.8 2018 0.1 -0.1  
MONTH TO DATE 1.6 2.3 -0.7  
SINCE JUL 1 26.5 21.2 5.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 19 2 33  
MONTH TO DATE 509 474 35 564  
SINCE MAR 1 509 474 35 564  
SINCE JUL 1 4014 4064 -50 3915  
 
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 (350)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 10.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 PM  
LOWEST 58 1200 AM  
AVERAGE 77  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 83 1968  
MINIMUM TEMPERATURE (F) 35 12 1988  
 
 
SUNRISE AND SUNSET  
MARCH 21 2019.........SUNRISE 712 AM EDT SUNSET 723 PM EDT  
MARCH 22 2019.........SUNRISE 710 AM EDT SUNSET 724 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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