475  
CDUS41 KBOX 122148  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
448 PM EST THU JAN 12 2023  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 12 2023  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 41 359 PM 74 2020 37 4 42  
MINIMUM 30 550 AM -10 1886 23 7 10  
AVERAGE 36 30 6 26  
 
PRECIPITATION (IN)  
TODAY 0.03 1.65 1900 0.11 -0.08 0.00  
MONTH TO DATE 1.16 1.39 -0.23 0.92  
SINCE DEC 1 4.91 5.69 -0.78 3.37  
SINCE JAN 1 1.16 1.39 -0.23 0.92  
 
SNOWFALL (IN)  
TODAY 0.2 14.6 2011 0.4 -0.2 0.0  
MONTH TO DATE 0.4 5.1 -4.7 11.8  
SINCE DEC 1 1.4 14.1 -12.7 12.2  
SINCE JUL 1 1.4 15.0 -13.6 12.2  
 
DEGREE DAYS  
HEATING  
TODAY 29 35 -6 39  
MONTH TO DATE 323 410 -87 409  
SINCE DEC 1 1173 1318 -145 1201  
SINCE JUL 1 1970 2332 -362 1989  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 85 1000 AM  
AVERAGE 89  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 63 1932  
MINIMUM TEMPERATURE (F) 23 -9 1914  
 
SUNRISE AND SUNSET  
JANUARY 12 2023.......SUNRISE 712 AM EST SUNSET 433 PM EST  
JANUARY 13 2023.......SUNRISE 712 AM EST SUNSET 434 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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