309  
CDUS41 KLWX 062123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT SAT APR 6 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 6 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 69 324 PM 93 2010 64 5 71  
MINIMUM 43 622 AM 24 2016 39 4 41  
1966  
AVERAGE 56 51 5 56  
 
PRECIPITATION (IN)  
TODAY 0.00 1.57 2017 0.12 -0.12 0.00  
MONTH TO DATE 0.35 0.72 -0.37 0.15  
SINCE MAR 1 4.90 4.10 0.80 1.94  
SINCE JAN 1 12.36 9.52 2.84 8.33  
 
SNOWFALL (IN)  
TODAY 0.0 2.7 1990 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1  
SINCE JUL 1 26.5 21.8 4.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 9 14 -5 9  
MONTH TO DATE 108 89 19 89  
SINCE MAR 1 792 736 56 868  
SINCE JUL 1 4297 4326 -29 4219  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 3 -3 0  
SINCE JAN 1 0 3 -3 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 45 300 PM  
AVERAGE 73  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 91 2010  
MINIMUM TEMPERATURE (F) 40 21 1977  
 
 
SUNRISE AND SUNSET  
APRIL 6 2019.........SUNRISE 647 AM EDT SUNSET 738 PM EDT  
APRIL 7 2019.........SUNRISE 646 AM EDT SUNSET 739 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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