387  
CDUS41 KBOX 010547  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
147 AM EDT MON SEP 01 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 31 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 72 1138 AM 97 1881 78 -6 79  
1953  
MINIMUM 59 537 AM 47 1965 63 -4 62  
AVERAGE 66 70 -4 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.58 1954 0.10 -0.10 0.00  
MONTH TO DATE 0.83 3.23 -2.40 3.70  
SINCE JUN 1 5.16 10.39 -5.23 9.13  
SINCE JAN 1 24.95 28.04 -3.09 34.14  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1954 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 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 0 0 0  
MONTH TO DATE 7 0 7 2  
SINCE JUN 1 51 54 -3 9  
SINCE JUL 1 7 4 3 2  
 
COOLING  
YESTERDAY 1 6 -5 6  
MONTH TO DATE 187 245 -58 226  
SINCE JUN 1 728 667 61 764  
SINCE JAN 1 757 700 57 810    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 0 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 900 PM  
LOWEST 47 1000 AM  
AVERAGE 59  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 96 1881  
MINIMUM TEMPERATURE (F) 63 50 1887  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 610 AM EDT SUNSET 718 PM EDT  
SEPTEMBER 2 2025.....SUNRISE 611 AM EDT SUNSET 716 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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