589  
CDUS41 KBOX 042144  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
434 PM EST TUE DEC 4 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 4 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 44 1203 AM 70 1982 45 -1 43  
MINIMUM 35 359 PM 2 1940 32 3 33  
AVERAGE 40 39 1 38  
 
PRECIPITATION (IN)  
TODAY 0.00 2.15 1968 0.14 -0.14 0.00  
MONTH TO DATE 0.75 0.53 0.22 0.09  
SINCE DEC 1 0.75 0.53 0.22 0.09  
SINCE JAN 1 51.35 40.52 10.83 41.05  
 
SNOWFALL (IN)  
TODAY 0.0 6.0 1901 0.2 -0.2 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE DEC 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 0.1 2.0 -1.9 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 25 26 -1 27  
MONTH TO DATE 83 103 -20 99  
SINCE DEC 1 83 103 -20 99  
SINCE JUL 1 1107 1158 -51 926  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 16.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 1200 AM  
LOWEST 35 300 PM  
AVERAGE 49  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 66 2001  
MINIMUM TEMPERATURE (F) 32 4 1926  
 
 
SUNRISE AND SUNSET  
DECEMBER 4 2018......SUNRISE 657 AM EST SUNSET 412 PM EST  
DECEMBER 5 2018......SUNRISE 658 AM EST SUNSET 412 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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