824  
CDUS41 KBOX 040918  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
418 AM EST FRI JAN 4 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 3 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 46 251 PM 64 2000 37 9 29  
MINIMUM 32 1206 AM -1 1904 23 9 16  
AVERAGE 39 30 9 23  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.51 1999 0.11 -0.09 0.00  
MONTH TO DATE 0.40 0.33 0.07 0.00  
SINCE DEC 1 3.12 4.11 -0.99 2.49  
SINCE JAN 1 0.40 0.33 0.07 0.00  
 
SNOWFALL (IN)  
YESTERDAY T 10.6 1996 0.4 -0.4 0.0  
MONTH TO DATE T 1.2 -1.2 0.0  
SINCE DEC 1 0.1 10.2 -10.1 9.2  
SINCE JUL 1 0.2 11.5 -11.3 9.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 35 -9 42  
MONTH TO DATE 76 105 -29 153  
SINCE DEC 1 930 1044 -114 1210  
SINCE JUL 1 1954 2099 -145 2037  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 900 AM  
LOWEST 49 400 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 64 1950  
MINIMUM TEMPERATURE (F) 23 -4 1981  
 
 
SUNRISE AND SUNSET  
JANUARY 4 2019.......SUNRISE 713 AM EST SUNSET 425 PM EST  
JANUARY 5 2019.......SUNRISE 713 AM EST SUNSET 426 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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