864  
CDUS41 KLWX 020523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST FRI DEC 2 2016  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 1 2016
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2016  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 103 AM 75 2006 52 11 48  
MINIMUM 47 955 PM 14 1936 37 10 44  
1875  
AVERAGE 55 44 11 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 1.90 1974 0.11 0.03 0.85  
MONTH TO DATE 0.14 0.11 0.03 0.85  
SINCE DEC 1 0.14 0.11 0.03 0.85  
SINCE JAN 1 29.23 36.80 -7.57 41.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 2007 0.0 0.0  
1992  
1981  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.5 -0.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 21 -11 19  
MONTH TO DATE 10 21 -11 19  
SINCE DEC 1 10 21 -11 19  
SINCE JUL 1 497 716 -219 554  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1994 1549 445 1998    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 37 200 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 73 1970  
MINIMUM TEMPERATURE (F) 36 15 1886  
 
 
SUNRISE AND SUNSET  
DECEMBER 2 2016......SUNRISE 709 AM EST SUNSET 446 PM EST  
DECEMBER 3 2016......SUNRISE 710 AM EST SUNSET 446 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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