290  
CDUS41 KBOX 080730  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
230 AM EST WED DEC 08 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 7 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 45 1203 AM 76 1998 45 0 35  
MINIMUM 34 1158 PM 4 1906 32 2 27  
AVERAGE 40 38 2 31  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.60 2011 0.15 -0.15 0.00  
MONTH TO DATE 0.27 1.03 -0.76 2.15  
SINCE DEC 1 0.27 1.03 -0.76 2.15  
SINCE JAN 1 50.15 40.32 9.83 34.02  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 2003 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.3  
SINCE DEC 1 0.0 1.3 -1.3 0.3  
SINCE JUL 1 T 2.2 -2.2 4.6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 27 -2 34  
MONTH TO DATE 158 183 -25 168  
SINCE DEC 1 158 183 -25 168  
SINCE JUL 1 946 1197 -251 1055  
 
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 12 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 43 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 58 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 12.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 1200 AM  
LOWEST 33 1200 PM  
AVERAGE 51  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 65 1927  
MINIMUM TEMPERATURE (F) 31 -4 1902  
 
SUNRISE AND SUNSET  
DECEMBER 8 2021......SUNRISE 701 AM EST SUNSET 411 PM EST  
DECEMBER 9 2021......SUNRISE 702 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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