768  
CDUS41 KBOX 110528  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1228 AM EST SAT DEC 11 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 10 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 502 PM 64 1897 44 0 45  
1907  
MINIMUM 28 1245 AM -1 1902 31 -3 34  
AVERAGE 36 37 -1 40  
 
PRECIPITATION (IN)  
YESTERDAY T 2.58 1878 0.14 -0.14 0.00  
MONTH TO DATE 0.28 1.46 -1.18 2.15  
SINCE DEC 1 0.28 1.46 -1.18 2.15  
SINCE JAN 1 50.16 40.75 9.41 34.02  
 
SNOWFALL (IN)  
YESTERDAY MM 4.0 1928 0.3 MM 0.0  
MONTH TO DATE 0.3 2.1 -1.8 0.3  
SINCE DEC 1 0.3 2.1 -1.8 0.3  
SINCE JUL 1 0.3 3.0 -2.7 4.6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 28 1 25  
MONTH TO DATE 252 266 -14 264  
SINCE DEC 1 252 266 -14 264  
SINCE JUL 1 1040 1280 -240 1151  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1146 800 346 924    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 900 PM  
LOWEST 47 1200 AM  
AVERAGE 66  
   
......................................................
 
 
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 2021......SUNRISE 703 AM EST SUNSET 412 PM EST  
DECEMBER 12 2021......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.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page Main Text Page