567  
CDUS41 KLWX 020524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
124 AM EDT TUE APR 2 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 1 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 49 509 PM 85 1978 62 -13 65  
MINIMUM 27 611 AM 17 1969 38 -11 46  
AVERAGE 38 50 -12 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.64 1973 0.12 -0.12 0.00  
MONTH TO DATE 0.00 0.12 -0.12 0.00  
SINCE MAR 1 4.55 3.50 1.05 1.79  
SINCE JAN 1 12.01 8.92 3.09 8.18  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.6 1964 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 26.5 21.7 4.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 16 11 9  
MONTH TO DATE 27 16 11 9  
SINCE MAR 1 711 663 48 788  
SINCE JUL 1 4216 4253 -37 4139  
 
COOLING  
YESTERDAY 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 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 600 AM  
LOWEST 21 400 PM  
AVERAGE 40  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 86 1967  
MINIMUM TEMPERATURE (F) 38 21 1964  
 
 
SUNRISE AND SUNSET  
APRIL 2 2019.........SUNRISE 653 AM EDT SUNSET 734 PM EDT  
APRIL 3 2019.........SUNRISE 652 AM EDT SUNSET 735 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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