296  
CDUS41 KLWX 240526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST SAT NOV 24 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 23 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 34 346 PM 70 1990 54 -20 44  
MINIMUM 26 654 AM 14 1984 33 -7 25  
1964  
AVERAGE 30 44 -14 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.25 1992 0.12 -0.12 0.00  
MONTH TO DATE 5.87 2.61 3.26 1.96  
SINCE SEP 1 15.91 9.78 6.13 6.86  
SINCE JAN 1 59.17 37.78 21.39 39.86  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.3 2005 0.0 0.0  
1995  
MONTH TO DATE 3.0 0.2 2.8  
SINCE JUL 1 3.0 0.2 2.8  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 21 14 30  
MONTH TO DATE 478 400 78 432  
SINCE SEP 1 774 754 20 652  
SINCE JUL 1 774 756 18 653  
 
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 12 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 49 600 PM  
LOWEST 35 1200 AM  
AVERAGE 42  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 74 1979  
MINIMUM TEMPERATURE (F) 33 9 1989  
 
 
SUNRISE AND SUNSET  
NOVEMBER 24 2018......SUNRISE 702 AM EST SUNSET 450 PM EST  
NOVEMBER 25 2018......SUNRISE 703 AM EST SUNSET 450 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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