713  
CDUS41 KBOX 310607  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1255 AM EST MON DEC 31 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 30 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 34 304 PM 63 1984 37 -3 18  
MINIMUM 26 718 AM -15 1933 24 2 6  
AVERAGE 30 31 -1 12  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.08 1901 0.11 -0.11 0.01  
MONTH TO DATE 2.31 3.68 -1.37 2.49  
SINCE DEC 1 2.31 3.68 -1.37 2.49  
SINCE JAN 1 52.91 43.67 9.24 43.45  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.0 1993 0.4 -0.4 0.1  
MONTH TO DATE 0.1 8.6 -8.5 9.2  
SINCE DEC 1 0.1 8.6 -8.5 9.2  
SINCE JUL 1 0.2 9.9 -9.7 9.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 34 1 53  
MONTH TO DATE 827 902 -75 1001  
SINCE DEC 1 827 902 -75 1001  
SINCE JUL 1 1851 1957 -106 1828  
 
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 3 RESULTANT WIND DIRECTION N (350)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 6.3  
 
 
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 72 1000 PM  
LOWEST 43 300 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 65 1932  
MINIMUM TEMPERATURE (F) 24 -8 1917  
 
 
SUNRISE AND SUNSET  
DECEMBER 31 2018......SUNRISE 713 AM EST SUNSET 421 PM EST  
JANUARY 1 2019.......SUNRISE 713 AM EST SUNSET 422 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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