254  
CDUS41 KBOX 290537  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1237 AM EST WED DEC 29 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 28 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 46 204 PM 63 1982 39 7 49  
MINIMUM 33 426 AM -2 1872 26 7 28  
AVERAGE 40 33 7 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.70 1967 0.13 -0.09 0.00  
MONTH TO DATE 2.39 3.93 -1.54 4.57  
SINCE DEC 1 2.39 3.93 -1.54 4.57  
SINCE JAN 1 52.27 43.22 9.05 36.44  
 
SNOWFALL (IN)  
YESTERDAY T 6.0 1967 0.4 -0.4 0.0  
MONTH TO DATE 0.4 7.8 -7.4 13.0  
SINCE DEC 1 0.4 7.8 -7.4 13.0  
SINCE JUL 1 0.4 8.7 -8.3 17.3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 32 -7 26  
MONTH TO DATE 719 810 -91 804  
SINCE DEC 1 719 810 -91 804  
SINCE JUL 1 1507 1824 -317 1691  
 
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 5 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 51 400 PM  
AVERAGE 76  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 39 73 1984  
MINIMUM TEMPERATURE (F) 26 -17 1933  
 
SUNRISE AND SUNSET  
DECEMBER 29 2021......SUNRISE 713 AM EST SUNSET 420 PM EST  
DECEMBER 30 2021......SUNRISE 713 AM EST SUNSET 421 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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