696  
CDUS41 KLWX 120610 CCA  
CLIDMH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
110 AM EST TUE DEC 12 2017   
..CORRECTED FOR TIMES OF MAX AND MIN TEMPERATURES
 
 
   
...............................
 
 
 
...THE BALTIMORE INNER HARBOR MD CLIMATE SUMMARY FOR DECEMBER 11  
2017...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1999 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 49 204 PM MM MM 47 2 41  
MINIMUM 37 201 AM MM MM 34 3 30  
AVERAGE 43 40 3 36  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 MM MM 0.12 -0.12 0.00  
MONTH TO DATE 0.36 1.27 -0.91 1.02  
SINCE DEC 1 0.36 1.27 -0.91 1.02  
SINCE JAN 1 34.64 38.75 -4.11 38.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 24 -2 29  
MONTH TO DATE 220 249 -29 240  
SINCE DEC 1 220 249 -29 240  
SINCE JUL 1 748 900 -152 749  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1885 1665 220 1923    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 1000 PM  
LOWEST 37 300 PM  
AVERAGE 52  
   
......................................................
 
 
 
THE BALTIMORE INNER HARBOR MD CLIMATE NORMALS FOR TODAY  
NORMAL  
MAXIMUM TEMPERATURE (F) 47  
MINIMUM TEMPERATURE (F) 34  
 
 
SUNRISE AND SUNSET  
DECEMBER 12 2017......SUNRISE 717 AM EST SUNSET 444 PM EST  
DECEMBER 13 2017......SUNRISE 718 AM EST SUNSET 444 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page