571  
CDUS41 KBOX 100722  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
322 AM EDT TUE OCT 10 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 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 63 106 PM 87 2011 65 -2 62  
MINIMUM 47 605 AM 32 1873 50 -3 44  
AVERAGE 55 57 -2 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.06 1906 0.13 -0.13 0.00  
MONTH TO DATE 0.13 1.15 -1.02 0.93  
SINCE SEP 1 3.88 4.71 -0.83 3.53  
SINCE JAN 1 40.44 32.75 7.69 21.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0  
2008  
2009  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 8 2 12  
MONTH TO DATE 25 63 -38 72  
SINCE SEP 1 81 134 -53 129  
SINCE JUL 1 81 143 -62 129  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 6 4 3  
SINCE SEP 1 146 97 49 74  
SINCE JAN 1 844 797 47 1024    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 700 AM  
LOWEST 42 200 PM  
AVERAGE 60  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 87 1939  
MINIMUM TEMPERATURE (F) 49 32 1979  
 
SUNRISE AND SUNSET  
OCTOBER 10 2023.......SUNRISE 651 AM EDT SUNSET 611 PM EDT  
OCTOBER 11 2023.......SUNRISE 652 AM EDT SUNSET 609 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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