171  
CDUS41 KBOX 290530  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1230 AM EST SAT DEC 29 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 28 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 57 800 PM 63 1982 38 19 12  
MINIMUM 34 213 AM -2 1872 24 10 5  
AVERAGE 46 31 15 9  
 
PRECIPITATION (IN)  
YESTERDAY 0.33 1.70 1967 0.11 0.22 0.00  
MONTH TO DATE 2.31 3.46 -1.15 2.48  
SINCE DEC 1 2.31 3.46 -1.15 2.48  
SINCE JAN 1 52.91 43.45 9.46 43.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.0 1967 0.4 -0.4 0.0  
MONTH TO DATE 0.1 7.8 -7.7 9.1  
SINCE DEC 1 0.1 7.8 -7.7 9.1  
SINCE JUL 1 0.2 9.1 -8.9 9.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 34 -15 56  
MONTH TO DATE 770 834 -64 891  
SINCE DEC 1 770 834 -64 891  
SINCE JUL 1 1794 1889 -95 1718  
 
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 8 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 11.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 AM  
LOWEST 64 1200 AM  
AVERAGE 79  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 73 1984  
MINIMUM TEMPERATURE (F) 24 -17 1933  
 
 
SUNRISE AND SUNSET  
DECEMBER 29 2018......SUNRISE 713 AM EST SUNSET 420 PM EST  
DECEMBER 30 2018......SUNRISE 713 AM EST SUNSET 420 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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