351  
CDUS41 KBOX 182125  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
425 PM EST SUN DEC 18 2022  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 18 2022  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 41 108 PM 61 1915 42 -1 43  
1928  
1990  
MINIMUM 34 736 AM -6 1919 29 5 33  
AVERAGE 38 35 3 38  
 
PRECIPITATION (IN)  
TODAY 0.00 1.44 1951 0.14 -0.14 0.56  
MONTH TO DATE 2.60 2.58 0.02 1.32  
SINCE DEC 1 2.60 2.58 0.02 1.32  
SINCE JAN 1 30.10 41.87 -11.77 51.20  
 
SNOWFALL (IN)  
TODAY 0.0 4.0 1904 0.3 -0.3 0.1  
MONTH TO DATE 1.0 4.3 -3.3 0.4  
SINCE DEC 1 1.0 4.3 -3.3 0.4  
SINCE JUL 1 1.0 5.2 -4.2 0.4  
 
DEGREE DAYS  
HEATING  
TODAY 27 30 -3 27  
MONTH TO DATE 459 498 -39 403  
SINCE DEC 1 459 498 -39 403  
SINCE JUL 1 1256 1512 -256 1191  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1033 800 233 1146    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 1200 AM  
LOWEST 48 200 PM  
AVERAGE 61  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 64 1899  
MINIMUM TEMPERATURE (F) 28 -10 1875  
 
SUNRISE AND SUNSET  
DECEMBER 18 2022......SUNRISE 708 AM EST SUNSET 413 PM EST  
DECEMBER 19 2022......SUNRISE 709 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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