551  
CDUS41 KBOX 112138  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
438 PM EST MON DEC 11 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 11 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 64 309 AM 68 1911 43 21 34  
MINIMUM 44 139 PM -2 1876 31 13 25  
AVERAGE 54 37 17 30  
 
PRECIPITATION (IN)  
TODAY 1.75R 1.52 1936 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)  
TODAY 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  
TODAY 11 28 -17 35  
MONTH TO DATE 253 294 -41 256  
SINCE DEC 1 253 294 -41 256  
SINCE JUL 1 1157 1308 -151 1053  
 
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 35 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 17.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 60 300 PM  
AVERAGE 79  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 68 1911  
1979  
MINIMUM TEMPERATURE (F) 30 2 1988  
 
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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