760  
CDUS41 KBOX 110530  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1230 AM EST MON DEC 11 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 10 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 1244 PM 64 1897 44 18 36  
1907  
MINIMUM 44 534 AM -1 1902 31 13 31  
AVERAGE 53 37 16 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.52 2.58 1878 0.14 0.38 0.00  
MONTH TO DATE 1.48 1.46 0.02 1.10  
SINCE DEC 1 1.48 1.46 0.02 1.10  
SINCE JAN 1 45.14 40.75 4.39 28.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.0 1928 0.3 -0.3 0.0  
MONTH TO DATE 0.2 2.1 -1.9 0.0  
SINCE DEC 1 0.2 2.1 -1.9 0.0  
SINCE JUL 1 0.2 3.0 -2.8 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 28 -16 31  
MONTH TO DATE 242 266 -24 221  
SINCE DEC 1 242 266 -24 221  
SINCE JUL 1 1146 1280 -134 1018  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 860 800 60 1033    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 78 100 PM  
AVERAGE 89  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 68 1911  
MINIMUM TEMPERATURE (F) 31 -2 1876  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 703 AM EST SUNSET 411 PM EST  
DECEMBER 12 2023......SUNRISE 704 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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