275  
CDUS41 KBOX 220534  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
134 AM EDT FRI AUG 22 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 21 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 69 230 PM 97 1955 80 -11 76  
MINIMUM 57 224 AM 52 1876 65 -8 58  
1882  
AVERAGE 63 72 -9 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 1991 0.10 -0.10 T  
MONTH TO DATE 0.76 2.25 -1.49 3.70  
SINCE JUN 1 5.09 9.41 -4.32 9.13  
SINCE JAN 1 24.88 27.06 -2.18 34.14  
 
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 2 0 2 0  
MONTH TO DATE 7 0 7 1  
SINCE JUN 1 51 54 -3 8  
SINCE JUL 1 7 4 3 1  
 
COOLING  
YESTERDAY 0 8 -8 2  
MONTH TO DATE 136 179 -43 171  
SINCE JUN 1 677 601 76 709  
SINCE JAN 1 706 634 72 755    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 AM  
LOWEST 68 200 PM  
AVERAGE 79  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 1955  
2003  
2019  
MINIMUM TEMPERATURE (F) 65 47 1894  
 
SUNRISE AND SUNSET  
AUGUST 22 2025........SUNRISE 559 AM EDT SUNSET 734 PM EDT  
AUGUST 23 2025........SUNRISE 600 AM EDT SUNSET 732 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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