421  
CDUS41 KBOX 200612  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
102 AM EST TUE NOV 20 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR NOVEMBER 19 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 41 700 PM 75 1941 50 -9 60  
MINIMUM 36 708 AM 14 1936 37 -1 38  
AVERAGE 39 44 -5 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.17 1.71 1926 0.14 0.03 0.23  
MONTH TO DATE 6.75 2.50 4.25 0.91  
SINCE SEP 1 15.65 9.88 5.77 8.78  
SINCE JAN 1 48.09 38.50 9.59 40.07  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1986 0.0 0.0 0.0  
MONTH TO DATE 0.1 0.4 -0.3 0.0  
SINCE SEP 1 0.1 0.4 -0.3 0.0  
SINCE JUL 1 0.1 0.4 -0.3 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 21 5 16  
MONTH TO DATE 346 353 -7 380  
SINCE SEP 1 719 787 -68 562  
SINCE JUL 1 719 800 -81 574  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 175 88 87 151  
SINCE JAN 1 1132 747 385 880    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 5.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 500 AM  
LOWEST 54 1200 AM  
AVERAGE 73  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 74 1953  
MINIMUM TEMPERATURE (F) 37 15 1894  
 
 
SUNRISE AND SUNSET  
NOVEMBER 20 2018......SUNRISE 641 AM EST SUNSET 418 PM EST  
NOVEMBER 21 2018......SUNRISE 642 AM EST SUNSET 417 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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