016  
CDUS41 KLWX 290523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST THU NOV 29 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 28 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 37 113 PM 71 1998 52 -15 63  
1990  
MINIMUM 28 1156 PM 19 1996 32 -4 30  
AVERAGE 33 42 -9 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.23 1993 0.11 -0.11 0.00  
MONTH TO DATE 7.67 3.17 4.50 1.96  
SINCE SEP 1 17.71 10.34 7.37 6.86  
SINCE JAN 1 60.97 38.34 22.63 39.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2014 0.0 0.0  
1995  
1974  
MONTH TO DATE 3.0 0.4 2.6  
SINCE JUL 1 3.0 0.4 2.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 23 9 18  
MONTH TO DATE 603 512 91 538  
SINCE SEP 1 899 866 33 758  
SINCE JUL 1 899 868 31 759  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE SEP 1 338 160 178 220  
SINCE JAN 1 1522 1176 346 1281    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 48 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 21.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 63 1100 PM  
LOWEST 44 1200 PM  
AVERAGE 54  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 73 1998  
MINIMUM TEMPERATURE (F) 32 17 1967  
 
 
SUNRISE AND SUNSET  
NOVEMBER 29 2018......SUNRISE 708 AM EST SUNSET 449 PM EST  
NOVEMBER 30 2018......SUNRISE 709 AM EST SUNSET 448 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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