282  
CDUS41 KLWX 260523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST MON NOV 26 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 25 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 61 312 PM 77 1979 54 7 62  
MINIMUM 33 151 AM 15 1970 33 0 28  
AVERAGE 47 43 4 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.31 1964 0.11 -0.11 0.00  
MONTH TO DATE 7.45 2.83 4.62 1.96  
SINCE SEP 1 17.49 10.00 7.49 6.86  
SINCE JAN 1 60.75 38.00 22.75 39.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 1983 0.0 0.0  
MONTH TO DATE 3.0 0.3 2.7  
SINCE JUL 1 3.0 0.3 2.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 22 -4 20  
MONTH TO DATE 524 444 80 477  
SINCE SEP 1 820 798 22 697  
SINCE JUL 1 820 800 20 698  
 
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 14 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 51 200 PM  
AVERAGE 76  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 75 1990  
MINIMUM TEMPERATURE (F) 32 16 1974  
 
 
SUNRISE AND SUNSET  
NOVEMBER 26 2018......SUNRISE 704 AM EST SUNSET 450 PM EST  
NOVEMBER 27 2018......SUNRISE 705 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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