012  
CDUS41 KBOX 122120  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
420 PM EST TUE DEC 12 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 12 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 44 154 PM 68 1911 43 1 34  
1979  
MINIMUM 34 655 AM 2 1988 30 4 24  
AVERAGE 39 37 2 29  
 
PRECIPITATION (IN)  
TODAY 0.00 4.21 1992 0.14 -0.14 0.00  
MONTH TO DATE 3.23 1.74 1.49 1.14  
SINCE DEC 1 3.23 1.74 1.49 1.14  
SINCE JAN 1 46.89 41.03 5.86 28.64  
 
SNOWFALL (IN)  
TODAY 0.0 13.0 1960 0.3 -0.3 0.0  
MONTH TO DATE 0.2 2.6 -2.4 0.9  
SINCE DEC 1 0.2 2.6 -2.4 0.9  
SINCE JUL 1 0.2 3.5 -3.3 0.9  
 
DEGREE DAYS  
HEATING  
TODAY 26 28 -2 36  
MONTH TO DATE 282 322 -40 292  
SINCE DEC 1 282 322 -40 292  
SINCE JUL 1 1186 1336 -150 1089  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 1200 AM  
LOWEST 43 300 PM  
AVERAGE 52  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 63 1984  
MINIMUM TEMPERATURE (F) 30 4 1890  
1893  
1898  
 
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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