322  
CDUS41 KBOX 112132  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
422 PM EST TUE DEC 11 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 38 314 PM 68 1911 43 -5 39  
MINIMUM 23 521 AM -2 1876 30 -7 32  
AVERAGE 31 36 -5 36  
 
PRECIPITATION (IN)  
TODAY 0.00 1.52 1936 0.13 -0.13 0.00  
MONTH TO DATE 0.75 1.44 -0.69 1.32  
SINCE DEC 1 0.75 1.44 -0.69 1.32  
SINCE JAN 1 51.35 41.43 9.92 42.28  
 
SNOWFALL (IN)  
TODAY 0.0 2.7 1986 0.2 -0.2 0.0  
MONTH TO DATE T 2.3 -2.3 6.1  
SINCE DEC 1 T 2.3 -2.3 6.1  
SINCE JUL 1 0.1 3.6 -3.5 6.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 34 29 5 29  
MONTH TO DATE 322 297 25 278  
SINCE DEC 1 322 297 25 278  
SINCE JUL 1 1346 1352 -6 1105  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1132 747 385 880    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 6.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 55 300 AM  
LOWEST 37 200 PM  
AVERAGE 46  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 68 1979  
1911  
MINIMUM TEMPERATURE (F) 29 2 1988  
 
 
SUNRISE AND SUNSET  
DECEMBER 11 2018......SUNRISE 703 AM EST SUNSET 412 PM EST  
DECEMBER 12 2018......SUNRISE 704 AM EST SUNSET 412 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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