453  
CDUS41 KBOX 051211  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
711 AM EST SAT JAN 5 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 4 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 48 1247 PM 64 1950 36 12 30  
MINIMUM 34 715 AM -4 1981 23 11 22  
AVERAGE 41 30 11 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.57 1982 0.11 -0.11 1.35  
MONTH TO DATE 0.40 0.44 -0.04 1.35  
SINCE DEC 1 3.12 4.22 -1.10 3.84  
SINCE JAN 1 0.40 0.44 -0.04 1.35  
 
SNOWFALL (IN)  
YESTERDAY 0.0 13.4 2018 0.4 -0.4 13.4  
MONTH TO DATE T 1.6 -1.6 13.4  
SINCE DEC 1 0.1 10.6 -10.5 22.6  
SINCE JUL 1 0.2 11.9 -11.7 22.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 35 -11 39  
MONTH TO DATE 100 140 -40 192  
SINCE DEC 1 954 1079 -125 1249  
SINCE JUL 1 1978 2134 -156 2076  
 
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 SW (230)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 1100 PM  
LOWEST 42 100 PM  
AVERAGE 56  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 63 2007  
MINIMUM TEMPERATURE (F) 23 -4 1981  
 
 
SUNRISE AND SUNSET  
JANUARY 5 2019.......SUNRISE 713 AM EST SUNSET 426 PM EST  
JANUARY 6 2019.......SUNRISE 713 AM EST SUNSET 427 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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