700  
CDUS41 KBOX 100535  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
135 AM EDT MON AUG 10 2026  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 9 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 353 PM 99 1949 81 9 77  
MINIMUM 74 518 AM 53 1899 66 8 61  
AVERAGE 82 74 8 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.27 1878 0.11 -0.11 0.00  
MONTH TO DATE 0.47 1.01 -0.54 0.28  
SINCE JUN 1 6.56 8.17 -1.61 4.61  
SINCE JAN 1 17.05 25.82 -8.77 24.40  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
2002  
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 0  
SINCE JUN 1 14 54 -40 44  
SINCE JUL 1 0 4 -4 0  
 
COOLING  
YESTERDAY 17 9 8 4  
MONTH TO DATE 132 81 51 40  
SINCE JUN 1 664 503 161 581  
SINCE JAN 1 725 536 189 610    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 600 AM  
LOWEST 39 600 PM  
AVERAGE 58  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 1949  
MINIMUM TEMPERATURE (F) 66 53 1964  
 
SUNRISE AND SUNSET  
AUGUST 10 2026........SUNRISE 546 AM EDT SUNSET 752 PM EDT  
AUGUST 11 2026........SUNRISE 547 AM EDT SUNSET 751 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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