240  
CDUS41 KBOX 130552  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1252 AM EST FRI JAN 13 2023  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 12 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 49 1159 PM 74 2020 37 12 42  
MINIMUM 30 550 AM -10 1886 23 7 10  
AVERAGE 40 30 10 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.25 1.65 1900 0.11 0.14 0.00  
MONTH TO DATE 1.38 1.39 -0.01 0.92  
SINCE DEC 1 5.13 5.69 -0.56 3.37  
SINCE JAN 1 1.38 1.39 -0.01 0.92  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 25 35 -10 39  
MONTH TO DATE 319 410 -91 409  
SINCE DEC 1 1169 1318 -149 1201  
SINCE JUL 1 1966 2332 -366 1989  
 
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 4 RESULTANT WIND DIRECTION E (110)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 PM  
LOWEST 85 1000 AM  
AVERAGE 91  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 37 63 1932  
MINIMUM TEMPERATURE (F) 23 -9 1914  
 
SUNRISE AND SUNSET  
JANUARY 13 2023.......SUNRISE 712 AM EST SUNSET 434 PM EST  
JANUARY 14 2023.......SUNRISE 711 AM EST SUNSET 435 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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