160  
CDUS41 KBOX 290608  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
208 AM EDT MON SEP 29 2025  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 28 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 339 PM 90 1873 69 15 68  
1881  
MINIMUM 65 631 AM 37 1947 54 11 59  
AVERAGE 75 61 14 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.88 2004 0.13 -0.12 0.00  
MONTH TO DATE 3.09 3.30 -0.21 1.33  
SINCE SEP 1 3.09 3.30 -0.21 1.33  
SINCE JAN 1 28.04 31.34 -3.30 35.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
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 0 5 -5 1  
MONTH TO DATE 32 60 -28 27  
SINCE SEP 1 32 60 -28 27  
SINCE JUL 1 39 69 -30 29  
 
COOLING  
YESTERDAY 10 1 9 0  
MONTH TO DATE 79 89 -10 67  
SINCE SEP 1 79 89 -10 67  
SINCE JAN 1 836 789 47 877    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 41 400 PM  
AVERAGE 67  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1952  
MINIMUM TEMPERATURE (F) 53 34 1914  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2025.....SUNRISE 639 AM EDT SUNSET 629 PM EDT  
SEPTEMBER 30 2025.....SUNRISE 640 AM EDT SUNSET 627 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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