937  
CDUS41 KBOX 060657  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
157 AM EST MON DEC 06 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 5 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 47 215 PM 66 2001 45 2 47  
MINIMUM 38 806 PM 4 1926 32 6 33  
AVERAGE 43 39 4 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.76 1993 0.15 -0.15 1.72  
MONTH TO DATE 0.02 0.73 -0.71 2.15  
SINCE DEC 1 0.02 0.73 -0.71 2.15  
SINCE JAN 1 49.90 40.02 9.88 34.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.0 1926 0.2 -0.2 0.3  
MONTH TO DATE 0.0 0.9 -0.9 0.3  
SINCE DEC 1 0.0 0.9 -0.9 0.3  
SINCE JUL 1 T 1.8 -1.8 4.6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 26 -4 25  
MONTH TO DATE 120 129 -9 102  
SINCE DEC 1 120 129 -9 102  
SINCE JUL 1 908 1143 -235 989  
 
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 (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 900 PM  
LOWEST 31 300 PM  
AVERAGE 49  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 72 2001  
MINIMUM TEMPERATURE (F) 32 8 1935  
 
SUNRISE AND SUNSET  
DECEMBER 6 2021......SUNRISE 659 AM EST SUNSET 411 PM EST  
DECEMBER 7 2021......SUNRISE 700 AM EST SUNSET 411 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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