456  
CDUS41 KLWX 282122  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
422 PM EST WED NOV 28 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 28 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 37 113 PM 71 1998 52 -15 63  
1990  
MINIMUM 31 838 AM 19 1996 32 -1 30  
AVERAGE 34 42 -8 47  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 31 23 8 18  
MONTH TO DATE 602 512 90 538  
SINCE SEP 1 898 866 32 758  
SINCE JUL 1 898 868 30 759  
 
COOLING  
TODAY 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 24.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 59 400 AM  
LOWEST 44 1200 PM  
AVERAGE 52  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 73 1998  
MINIMUM TEMPERATURE (F) 32 17 1967  
 
 
SUNRISE AND SUNSET  
NOVEMBER 28 2018......SUNRISE 707 AM EST SUNSET 449 PM EST  
NOVEMBER 29 2018......SUNRISE 708 AM EST SUNSET 449 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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