424  
CDUS41 KLWX 222129  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT FRI MAR 22 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 22 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 50 239 PM 83 1968 58 -8 44  
MINIMUM 40 307 PM 12 1988 35 5 31  
AVERAGE 45 46 -1 38  
 
PRECIPITATION (IN)  
TODAY 0.05 0.93 1977 0.12 -0.07 T  
MONTH TO DATE 4.54 2.28 2.26 1.51  
SINCE MAR 1 4.54 2.28 2.26 1.51  
SINCE JAN 1 12.00 7.70 4.30 7.90  
 
SNOWFALL (IN)  
TODAY 0.0 1.2 1992 0.1 -0.1  
MONTH TO DATE 1.6 2.4 -0.8  
SINCE JUL 1 26.5 21.3 5.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 20 19 1 27  
MONTH TO DATE 530 493 37 591  
SINCE MAR 1 530 493 37 591  
SINCE JUL 1 4035 4083 -48 3942  
 
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 44 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 20.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 46 100 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 83 2012  
1994  
MINIMUM TEMPERATURE (F) 35 17 1969  
 
 
SUNRISE AND SUNSET  
MARCH 22 2019.........SUNRISE 710 AM EDT SUNSET 724 PM EDT  
MARCH 23 2019.........SUNRISE 709 AM EDT SUNSET 725 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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