460  
CDUS41 KBOX 172148  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
437 PM EST THU JAN 17 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 17 2019
 
 
VALID AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 33 1223 AM 59 1913 35 -2 34  
MINIMUM 18 827 AM -4 1907 22 -4 31  
AVERAGE 26 29 -3 33  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 1909 0.11 -0.11 0.21  
MONTH TO DATE 1.08 1.88 -0.80 3.42  
SINCE DEC 1 3.80 5.66 -1.86 5.91  
SINCE JAN 1 1.08 1.88 -0.80 3.42  
 
SNOWFALL (IN)  
TODAY 0.0 6.1 1956 0.4 -0.4 1.7  
MONTH TO DATE T 7.3 -7.3 15.4  
SINCE DEC 1 0.1 16.3 -16.2 24.6  
SINCE JUL 1 0.2 17.6 -17.4 24.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 39 36 3 32  
MONTH TO DATE 546 608 -62 685  
SINCE DEC 1 1400 1547 -147 1742  
SINCE JUL 1 2424 2602 -178 2569  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 10.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 45 600 AM  
LOWEST 19 200 PM  
AVERAGE 32  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 63 1990  
MINIMUM TEMPERATURE (F) 22 -3 1974  
 
 
SUNRISE AND SUNSET  
JANUARY 17 2019.......SUNRISE 710 AM EST SUNSET 439 PM EST  
JANUARY 18 2019.......SUNRISE 709 AM EST SUNSET 440 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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