844  
CDUS41 KBOX 312121  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
421 PM EST FRI DEC 31 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 31 2021
 
 
VALID AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 45 1224 PM 65 1932 39 6 45  
MINIMUM 40 427 AM -8 1917 25 15 33  
AVERAGE 43 32 11 39  
 
PRECIPITATION (IN)  
TODAY T 1.68 1906 0.12 -0.12 0.10  
MONTH TO DATE 2.45 4.30 -1.85 4.67  
SINCE DEC 1 2.45 4.30 -1.85 4.67  
SINCE JAN 1 52.33 43.59 8.74 36.54  
 
SNOWFALL (IN)  
TODAY 0.0 90.0 2020 0.4 -0.4 0.0  
MONTH TO DATE 0.4 9.0 -8.6 13.0  
SINCE DEC 1 0.4 9.0 -8.6 13.0  
SINCE JUL 1 0.4 9.9 -9.5 17.3  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 22 33 -11 26  
MONTH TO DATE 792 909 -117 894  
SINCE DEC 1 792 909 -117 894  
SINCE JUL 1 1580 1923 -343 1781  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 85 400 PM  
AVERAGE 93  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 38 70 1876  
MINIMUM TEMPERATURE (F) 25 -3 1918  
 
SUNRISE AND SUNSET  
DECEMBER 31 2021......SUNRISE 713 AM EST SUNSET 421 PM EST  
JANUARY 1 2022.......SUNRISE 713 AM EST SUNSET 422 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