042  
CDUS41 KLWX 262131  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
430 PM EST MON NOV 26 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 26 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 50 359 PM 75 1990 53 -3 53  
MINIMUM 46 1200 AM 16 1974 32 14 31  
AVERAGE 48 43 5 42  
 
PRECIPITATION (IN)  
TODAY 0.22 1.72 2013 0.12 0.10 0.00  
MONTH TO DATE 7.67 2.95 4.72 1.96  
SINCE SEP 1 17.71 10.12 7.59 6.86  
SINCE JAN 1 60.97 38.12 22.85 39.86  
 
SNOWFALL (IN)  
TODAY 0.0 1.6 2014 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  
TODAY 17 22 -5 23  
MONTH TO DATE 541 466 75 500  
SINCE SEP 1 837 820 17 720  
SINCE JUL 1 837 822 15 721  
 
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 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1100 AM  
LOWEST 80 100 AM  
AVERAGE 90  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 70 2011  
MINIMUM TEMPERATURE (F) 32 11 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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