112  
CDUS41 KBOX 192124  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
424 PM EST THU DEC 19 2024  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 19 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 45 1256 PM 64 1899 41 4 48  
MINIMUM 39 804 AM -10 1875 28 11 35  
AVERAGE 42 35 7 42  
 
PRECIPITATION (IN)  
TODAY 0.12 1.35 1986 0.15 -0.03 0.00  
MONTH TO DATE 4.50 2.73 1.77 5.28  
SINCE DEC 1 4.50 2.73 1.77 5.28  
SINCE JAN 1 44.24 42.02 2.22 48.94  
 
SNOWFALL (IN)  
TODAY 0.0 10.0 1945 0.3 -0.3 0.0  
MONTH TO DATE 0.3 4.6 -4.3 0.2  
SINCE DEC 1 0.3 4.6 -4.3 0.2  
SINCE JUL 1 0.3 5.5 -5.2 0.2  
 
DEGREE DAYS  
HEATING  
TODAY 23 30 -7 23  
MONTH TO DATE 521 528 -7 432  
SINCE DEC 1 521 528 -7 432  
SINCE JUL 1 1304 1542 -238 1336  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 46 400 PM  
AVERAGE 70  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 63 1957  
MINIMUM TEMPERATURE (F) 28 -11 1875  
1942  
 
SUNRISE AND SUNSET  
DECEMBER 19 2024......SUNRISE 709 AM EST SUNSET 414 PM EST  
DECEMBER 20 2024......SUNRISE 710 AM EST SUNSET 414 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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