814  
CDUS41 KBOX 210529  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1229 AM EST SAT DEC 21 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 20 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 37 347 PM 63 1957 41 -4 44  
MINIMUM 26 1159 PM -11 1875 28 -2 30  
1942  
AVERAGE 32 35 -3 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.51 1.35 1936 0.13 0.38 0.00  
MONTH TO DATE 5.01 2.86 2.15 5.28  
SINCE DEC 1 5.01 2.86 2.15 5.28  
SINCE JAN 1 44.75 42.15 2.60 48.94  
 
SNOWFALL (IN)  
YESTERDAY 5.2 10.0 2009 0.3 4.9 0.0  
MONTH TO DATE 5.5 4.9 0.6 0.2  
SINCE DEC 1 5.5 4.9 0.6 0.2  
SINCE JUL 1 5.5 5.8 -0.3 0.2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 30 3 28  
MONTH TO DATE 557 558 -1 460  
SINCE DEC 1 557 558 -1 460  
SINCE JUL 1 1340 1572 -232 1364  
 
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 13 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FREEZING RAIN  
SNOW  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 300 PM  
LOWEST 63 100 AM  
AVERAGE 80  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 65 2018  
MINIMUM TEMPERATURE (F) 28 -5 1942  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 710 AM EST SUNSET 415 PM EST  
DECEMBER 22 2024......SUNRISE 711 AM EST SUNSET 415 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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