204  
CDUS41 KLWX 152142  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
442 PM EST THU NOV 15 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 15 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 37 121 AM 81 1993 58 -21 54  
MINIMUM 30 1145 AM 19 1986 36 -6 27  
AVERAGE 34 47 -13 41  
 
PRECIPITATION (IN)  
TODAY 1.11R 0.73 2007 0.12 0.99 0.00  
MONTH TO DATE 5.46 1.68 3.78 1.86  
SINCE SEP 1 15.50 8.85 6.65 6.76  
SINCE JAN 1 58.76 36.85 21.91 39.76  
 
SNOWFALL (IN)  
TODAY 3.0 R T 1995 0.0 3.0  
1992  
1976  
MONTH TO DATE 3.0 0.1 2.9  
SINCE JUL 1 3.0 0.1 2.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 31 18 13 24  
MONTH TO DATE 272 241 31 271  
SINCE SEP 1 568 595 -27 491  
SINCE JUL 1 568 597 -29 492  
 
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 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 9.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
MIXED PRECIP  
HEAVY RAIN  
RAIN  
SNOW  
LIGHT SNOW  
SLEET  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 52 1200 AM  
AVERAGE 76  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 74 2005  
2001  
MINIMUM TEMPERATURE (F) 35 14 1967  
 
 
SUNRISE AND SUNSET  
NOVEMBER 15 2018......SUNRISE 653 AM EST SUNSET 456 PM EST  
NOVEMBER 16 2018......SUNRISE 654 AM EST SUNSET 455 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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