595  
CDUS41 KBOX 120925  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
525 AM EDT THU OCT 12 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 11 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 69 140 PM 82 1955 64 5 66  
MINIMUM 50 408 AM 32 1881 49 1 48  
1979  
AVERAGE 60 56 4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.85 2006 0.12 -0.12 0.00  
MONTH TO DATE 0.13 1.40 -1.27 0.96  
SINCE SEP 1 3.88 4.96 -1.08 3.56  
SINCE JAN 1 40.44 33.00 7.44 21.49  
 
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 5 9 -4 8  
MONTH TO DATE 38 81 -43 87  
SINCE SEP 1 94 152 -58 144  
SINCE JUL 1 94 161 -67 144  
 
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 7 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.8  
 
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 89 500 AM  
LOWEST 44 200 PM  
AVERAGE 67  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 90 1954  
MINIMUM TEMPERATURE (F) 49 31 1876  
 
SUNRISE AND SUNSET  
OCTOBER 12 2023.......SUNRISE 653 AM EDT SUNSET 607 PM EDT  
OCTOBER 13 2023.......SUNRISE 654 AM EDT SUNSET 606 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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