476  
CDUS41 KBOX 090537  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1237 AM EST SAT DEC 09 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 8 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 1235 PM 65 1927 44 -2 58  
MINIMUM 27 530 AM -4 1902 31 -4 37  
AVERAGE 35 38 -3 48  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.33 1969 0.14 -0.14 0.00  
MONTH TO DATE 0.96 1.17 -0.21 1.10  
SINCE DEC 1 0.96 1.17 -0.21 1.10  
SINCE JAN 1 44.62 40.46 4.16 28.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.7 1922 0.3 -0.3 0.0  
MONTH TO DATE 0.2 1.6 -1.4 0.0  
SINCE DEC 1 0.2 1.6 -1.4 0.0  
SINCE JUL 1 0.2 2.5 -2.3 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 27 3 17  
MONTH TO DATE 208 210 -2 165  
SINCE DEC 1 208 210 -2 165  
SINCE JUL 1 1112 1224 -112 962  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 860 800 60 1033    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1100 PM  
LOWEST 57 1200 PM  
AVERAGE 71  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 70 1966  
MINIMUM TEMPERATURE (F) 31 -8 1902  
 
SUNRISE AND SUNSET  
DECEMBER 9 2023......SUNRISE 701 AM EST SUNSET 411 PM EST  
DECEMBER 10 2023......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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