741  
CDUS41 KBOX 100529  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1229 AM EST TUE JAN 10 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 9 2023
 
 
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)  
YESTERDAY  
MAXIMUM 43 122 PM 64 1937 37 6 43  
MINIMUM 28 121 AM -4 1968 24 4 21  
AVERAGE 36 30 6 32  
 
PRECIPITATION (IN)  
YESTERDAY T 2.14 1884 0.12 -0.12 0.01  
MONTH TO DATE 1.12 1.05 0.07 0.92  
SINCE DEC 1 4.87 5.35 -0.48 3.37  
SINCE JAN 1 1.12 1.05 0.07 0.92  
 
SNOWFALL (IN)  
YESTERDAY T 9.0 1904 0.5 -0.5 T  
MONTH TO DATE 0.2 3.8 -3.6 11.7  
SINCE DEC 1 1.2 12.8 -11.6 12.1  
SINCE JUL 1 1.2 13.7 -12.5 12.1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 35 -6 33  
MONTH TO DATE 228 305 -77 286  
SINCE DEC 1 1078 1213 -135 1078  
SINCE JUL 1 1875 2227 -352 1866  
 
COOLING  
YESTERDAY 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)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 800 AM  
LOWEST 53 200 PM  
AVERAGE 69  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 58 2016  
MINIMUM TEMPERATURE (F) 24 -3 2004  
 
SUNRISE AND SUNSET  
JANUARY 10 2023.......SUNRISE 713 AM EST SUNSET 431 PM EST  
JANUARY 11 2023.......SUNRISE 712 AM EST SUNSET 432 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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