019  
CDUS41 KLWX 132136  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
436 PM EST TUE NOV 13 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 13 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 47 156 PM 75 1964 59 -12 50  
MINIMUM 41 614 AM 21 1963 36 5 36  
AVERAGE 44 47 -3 43  
 
PRECIPITATION (IN)  
TODAY 0.37 0.87 2012 0.10 0.27 0.17  
MONTH TO DATE 4.25 1.45 2.80 1.86  
SINCE SEP 1 14.29 8.62 5.67 6.76  
SINCE JAN 1 57.55 36.62 20.93 39.76  
 
SNOWFALL (IN)  
TODAY 0.0 T 2014 0.0 0.0  
2012  
1995  
MONTH TO DATE 0.0 0.1 -0.1  
SINCE JUL 1 0.0 0.1 -0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 21 18 3 22  
MONTH TO DATE 216 205 11 224  
SINCE SEP 1 512 559 -47 444  
SINCE JUL 1 512 561 -49 445  
 
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 20 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 76 100 PM  
AVERAGE 88  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 80 1985  
MINIMUM TEMPERATURE (F) 36 13 1986  
 
 
SUNRISE AND SUNSET  
NOVEMBER 13 2018......SUNRISE 650 AM EST SUNSET 457 PM EST  
NOVEMBER 14 2018......SUNRISE 651 AM EST SUNSET 457 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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