913  
CDUS41 KLWX 040522  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
122 AM EDT SUN NOV 4 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 3 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 57 216 PM 81 1990 62 -5 77  
1982  
MINIMUM 37 1159 PM 22 1980 39 -2 54  
AVERAGE 47 50 -3 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 0.72 1970 0.12 -0.09 T  
MONTH TO DATE 1.35 0.36 0.99 T  
SINCE SEP 1 11.39 7.53 3.86 4.90  
SINCE JAN 1 54.65 35.53 19.12 37.90  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0  
2001  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 15 3 0  
MONTH TO DATE 20 43 -23 23  
SINCE SEP 1 316 397 -81 243  
SINCE JUL 1 316 399 -83 244  
 
COOLING  
YESTERDAY 0 0 0 1  
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 25 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 1200 AM  
LOWEST 43 200 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 81 2003  
1974  
MINIMUM TEMPERATURE (F) 38 21 1966  
 
 
SUNRISE AND SUNSET  
NOVEMBER 4 2018......SUNRISE 640 AM EST SUNSET 506 PM EST  
NOVEMBER 5 2018......SUNRISE 641 AM EST SUNSET 505 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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