503  
CDUS41 KBOX 240619  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
107 AM EST MON DEC 24 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 23 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 43 206 PM 67 1990 39 4 43  
MINIMUM 33 1132 PM -12 1883 26 7 25  
AVERAGE 38 32 6 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 1947 0.12 -0.12 0.58  
MONTH TO DATE 1.98 2.88 -0.90 2.04  
SINCE DEC 1 1.98 2.88 -0.90 2.04  
SINCE JAN 1 52.58 42.87 9.71 43.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.3 1947 0.4 -0.4 0.0  
MONTH TO DATE 0.1 6.0 -5.9 6.2  
SINCE DEC 1 0.1 6.0 -5.9 6.2  
SINCE JUL 1 0.2 7.3 -7.1 6.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 33 -6 31  
MONTH TO DATE 628 667 -39 681  
SINCE DEC 1 628 667 -39 681  
SINCE JUL 1 1652 1722 -70 1508  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1132 747 385 880    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 12.1  
 
 
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 56 300 AM  
LOWEST 30 300 PM  
AVERAGE 43  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 69 2015  
MINIMUM TEMPERATURE (F) 26 0 1943  
1892  
 
 
SUNRISE AND SUNSET  
DECEMBER 24 2018......SUNRISE 711 AM EST SUNSET 416 PM EST  
DECEMBER 25 2018......SUNRISE 712 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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