537  
CDUS41 KBOX 130634  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
123 AM EST SUN JAN 13 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 12 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 29 248 PM 61 2017 36 -7 60  
1975  
1913  
MINIMUM 15 730 AM -10 1886 22 -7 39  
AVERAGE 22 29 -7 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 1900 0.11 -0.11 0.62  
MONTH TO DATE 1.08 1.32 -0.24 1.97  
SINCE DEC 1 3.80 5.10 -1.30 4.46  
SINCE JAN 1 1.08 1.32 -0.24 1.97  
 
SNOWFALL (IN)  
YESTERDAY 0.0 14.6 2011 0.4 -0.4 0.0  
MONTH TO DATE T 5.1 -5.1 13.4  
SINCE DEC 1 0.1 14.1 -14.0 22.6  
SINCE JUL 1 0.2 15.4 -15.2 22.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 43 36 7 15  
MONTH TO DATE 362 428 -66 496  
SINCE DEC 1 1216 1367 -151 1553  
SINCE JUL 1 2240 2422 -182 2380  
 
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 15 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 14.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 500 AM  
LOWEST 27 100 PM  
AVERAGE 37  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 63 1932  
MINIMUM TEMPERATURE (F) 22 -9 1914  
 
 
SUNRISE AND SUNSET  
JANUARY 13 2019.......SUNRISE 712 AM EST SUNSET 434 PM EST  
JANUARY 14 2019.......SUNRISE 711 AM EST SUNSET 435 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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