975  
CDUS41 KBOX 162149  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
439 PM EST SUN DEC 16 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 16 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 45 110 PM 64 1971 41 4 34  
MINIMUM 41 1202 AM 1 1883 28 13 22  
1876  
AVERAGE 43 35 8 28  
 
PRECIPITATION (IN)  
TODAY 0.02 1.81 1960 0.12 -0.10 0.00  
MONTH TO DATE 0.77 2.05 -1.28 1.36  
SINCE DEC 1 0.77 2.05 -1.28 1.36  
SINCE JAN 1 51.37 42.04 9.33 42.32  
 
SNOWFALL (IN)  
TODAY MM 7.6 2007 0.3 MM 0.0  
MONTH TO DATE T 3.7 -3.7 6.1  
SINCE DEC 1 T 3.7 -3.7 6.1  
SINCE JUL 1 0.1 5.0 -4.9 6.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 22 30 -8 37  
MONTH TO DATE 458 445 13 459  
SINCE DEC 1 458 445 13 459  
SINCE JUL 1 1482 1500 -18 1286  
 
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 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 15.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 1200 AM  
LOWEST 62 200 AM  
AVERAGE 66  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 64 2000  
MINIMUM TEMPERATURE (F) 28 -4 1919  
1876  
 
 
SUNRISE AND SUNSET  
DECEMBER 16 2018......SUNRISE 707 AM EST SUNSET 413 PM EST  
DECEMBER 17 2018......SUNRISE 708 AM EST SUNSET 413 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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