192  
CDUS41 KBOX 080604  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1253 AM EST SAT DEC 8 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 7 2018
 
 
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)  
YESTERDAY  
MAXIMUM 40 136 PM 76 1998 44 -4 47  
MINIMUM 26 1159 PM 4 1906 31 -5 33  
AVERAGE 33 38 -5 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.60 2011 0.14 -0.14 0.00  
MONTH TO DATE 0.75 0.93 -0.18 0.63  
SINCE DEC 1 0.75 0.93 -0.18 0.63  
SINCE JAN 1 51.35 40.92 10.43 41.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 2003 0.2 -0.2 0.0  
MONTH TO DATE T 1.3 -1.3 0.0  
SINCE DEC 1 T 1.3 -1.3 0.0  
SINCE JUL 1 0.1 2.6 -2.5 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 27 5 25  
MONTH TO DATE 182 184 -2 158  
SINCE DEC 1 182 184 -2 158  
SINCE JUL 1 1206 1239 -33 985  
 
COOLING  
YESTERDAY 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)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 13.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 400 AM  
LOWEST 25 300 PM  
AVERAGE 50  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 65 1927  
MINIMUM TEMPERATURE (F) 31 -4 1902  
 
 
SUNRISE AND SUNSET  
DECEMBER 8 2018......SUNRISE 701 AM EST SUNSET 411 PM EST  
DECEMBER 9 2018......SUNRISE 701 AM EST SUNSET 411 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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