359  
CDUS41 KBOX 220544  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1244 AM EST SUN DEC 22 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 21 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 29 1256 PM 65 2018 41 -12 36  
MINIMUM 17 1159 PM -5 1942 28 -11 24  
AVERAGE 23 34 -11 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.91 1946 0.15 -0.15 0.00  
MONTH TO DATE 5.01 3.01 2.00 5.28  
SINCE DEC 1 5.01 3.01 2.00 5.28  
SINCE JAN 1 44.75 42.30 2.45 48.94  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.1 1975 0.4 -0.4 0.0  
MONTH TO DATE 5.5 5.3 0.2 0.2  
SINCE DEC 1 5.5 5.3 0.2 0.2  
SINCE JUL 1 5.5 6.2 -0.7 0.2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 42 31 11 35  
MONTH TO DATE 599 589 10 495  
SINCE DEC 1 599 589 10 495  
SINCE JUL 1 1382 1603 -221 1399  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 891 800 91 860    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 14.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 1200 AM  
LOWEST 50 700 PM  
AVERAGE 66  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 62 1990  
MINIMUM TEMPERATURE (F) 28 1 1879  
1883  
 
SUNRISE AND SUNSET  
DECEMBER 22 2024......SUNRISE 711 AM EST SUNSET 415 PM EST  
DECEMBER 23 2024......SUNRISE 711 AM EST SUNSET 416 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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