444  
CDUS41 KBOX 121826  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
126 PM EST TUE DEC 12 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 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 64 309 AM 68 1911 43 21 34  
MINIMUM 37 1159 PM -2 1876 31 6 25  
AVERAGE 51 37 14 30  
 
PRECIPITATION (IN)  
YESTERDAY 1.75R 1.75 2023 0.14 1.61 0.04  
MONTH TO DATE 3.23 1.60 1.63 1.14  
SINCE DEC 1 3.23 1.60 1.63 1.14  
SINCE JAN 1 46.89 40.89 6.00 28.64  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.8 2019 0.2 -0.2 0.9  
MONTH TO DATE 0.2 2.3 -2.1 0.9  
SINCE DEC 1 0.2 2.3 -2.1 0.9  
SINCE JUL 1 0.2 3.2 -3.0 0.9  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 28 -14 35  
MONTH TO DATE 256 294 -38 256  
SINCE DEC 1 256 294 -38 256  
SINCE JUL 1 1160 1308 -148 1053  
 
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 13 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 35 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 16.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 57 500 PM  
AVERAGE 77  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 68 1911  
1979  
MINIMUM TEMPERATURE (F) 30 2 1988  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 704 AM EST SUNSET 412 PM EST  
DECEMBER 13 2023......SUNRISE 705 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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