121  
CDUS41 KBOX 132131  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
431 PM EST WED DEC 13 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 13 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 45 212 PM 63 1984 43 2 41  
MINIMUM 37 546 AM 4 1890 30 7 26  
1893  
1898  
AVERAGE 41 36 5 34  
 
PRECIPITATION (IN)  
TODAY 0.00 1.67 1873 0.14 -0.14 0.00  
MONTH TO DATE 3.23 1.88 1.35 1.14  
SINCE DEC 1 3.23 1.88 1.35 1.14  
SINCE JAN 1 46.89 41.17 5.72 28.64  
 
SNOWFALL (IN)  
TODAY 0.0 10.1 2007 0.3 -0.3 0.0  
MONTH TO DATE 0.2 2.9 -2.7 0.9  
SINCE DEC 1 0.2 2.9 -2.7 0.9  
SINCE JUL 1 0.2 3.8 -3.6 0.9  
 
DEGREE DAYS  
HEATING  
TODAY 24 29 -5 31  
MONTH TO DATE 306 351 -45 323  
SINCE DEC 1 306 351 -45 323  
SINCE JUL 1 1210 1365 -155 1120  
 
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 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 14.0  
 
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 64 1200 AM  
LOWEST 38 200 PM  
AVERAGE 51  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 66 1881  
MINIMUM TEMPERATURE (F) 30 0 1893  
1898  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 705 AM EST SUNSET 412 PM EST  
DECEMBER 14 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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