729  
CDUS41 KBOX 131245  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
743 AM EST THU DEC 13 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 12 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 39 1251 PM 68 1979 42 -3 46  
1911  
MINIMUM 24 1159 PM 2 1988 29 -5 33  
AVERAGE 32 36 -4 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.21 1992 0.12 -0.12 0.04  
MONTH TO DATE 0.75 1.56 -0.81 1.36  
SINCE DEC 1 0.75 1.56 -0.81 1.36  
SINCE JAN 1 51.35 41.55 9.80 42.32  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.0 1960 0.3 -0.3 0.0  
MONTH TO DATE T 2.6 -2.6 6.1  
SINCE DEC 1 T 2.6 -2.6 6.1  
SINCE JUL 1 0.1 3.9 -3.8 6.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 29 4 25  
MONTH TO DATE 355 326 29 303  
SINCE DEC 1 355 326 29 303  
SINCE JUL 1 1379 1381 -2 1130  
 
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 NW (320)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 12.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 500 AM  
LOWEST 32 100 PM  
AVERAGE 45  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 63 1984  
MINIMUM TEMPERATURE (F) 29 4 1898  
1893  
1890  
 
 
SUNRISE AND SUNSET  
DECEMBER 13 2018......SUNRISE 705 AM EST SUNSET 412 PM EST  
DECEMBER 14 2018......SUNRISE 706 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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page Main Text Page