794  
CDUS41 KBOX 170540  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1240 AM EST THU JAN 17 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 16 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 41 533 PM 64 1995 35 6 33  
MINIMUM 25 548 AM -7 2004 22 3 20  
AVERAGE 33 29 4 27  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 2016 0.11 -0.11 0.00  
MONTH TO DATE 1.08 1.77 -0.69 3.21  
SINCE DEC 1 3.80 5.55 -1.75 5.70  
SINCE JAN 1 1.08 1.77 -0.69 3.21  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.9 1965 0.5 -0.5 0.0  
MONTH TO DATE T 6.9 -6.9 13.7  
SINCE DEC 1 0.1 15.9 -15.8 22.9  
SINCE JUL 1 0.2 17.2 -17.0 22.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 32 36 -4 38  
MONTH TO DATE 507 572 -65 653  
SINCE DEC 1 1361 1511 -150 1710  
SINCE JUL 1 2385 2566 -181 2537  
 
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 11 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 700 AM  
LOWEST 38 1100 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 35 59 1913  
MINIMUM TEMPERATURE (F) 22 -4 1907  
 
 
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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