531  
CDUS41 KBOX 090527  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
127 AM EDT SAT AUG 09 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 8 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 79 232 PM 98 2022 81 -2 71  
MINIMUM 62 513 AM 52 1903 66 -4 60  
AVERAGE 71 74 -3 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.94 1874 0.11 -0.11 0.22  
MONTH TO DATE 0.28 0.90 -0.62 2.23  
SINCE JUN 1 4.61 8.06 -3.45 7.66  
SINCE JAN 1 24.40 25.71 -1.31 32.67  
 
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 0 0 0 1  
SINCE JUN 1 44 54 -10 8  
SINCE JUL 1 0 4 -4 1  
 
COOLING  
YESTERDAY 6 9 -3 1  
MONTH TO DATE 36 72 -36 88  
SINCE JUN 1 577 494 83 626  
SINCE JAN 1 606 527 79 672    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SE (140)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 8.7  
 
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 75 400 AM  
LOWEST 39 1100 AM  
AVERAGE 57  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 1949  
MINIMUM TEMPERATURE (F) 66 53 1899  
 
SUNRISE AND SUNSET  
AUGUST 9 2025........SUNRISE 545 AM EDT SUNSET 753 PM EDT  
AUGUST 10 2025........SUNRISE 546 AM EDT SUNSET 752 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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