350  
CDUS41 KBOX 130525  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
125 AM EDT FRI SEP 13 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 12 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 441 PM 93 1961 75 6 77  
MINIMUM 58 529 AM 43 1875 60 -2 67  
AVERAGE 70 67 3 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.95 1960 0.11 -0.11 0.09  
MONTH TO DATE 0.00 1.28 -1.28 0.82  
SINCE SEP 1 T 1.28 -1.28 0.82  
SINCE JAN 1 34.14 29.32 4.82 37.38  
 
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 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 1 -1 0  
MONTH TO DATE 1 10 -9 1  
SINCE SEP 1 1 10 -9 1  
SINCE JUL 1 3 19 -16 1  
 
COOLING  
YESTERDAY 5 3 2 7  
MONTH TO DATE 37 55 -18 114  
SINCE SEP 1 37 55 -18 114  
SINCE JAN 1 847 755 92 812    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.5  
 
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 81 300 AM  
LOWEST 39 1100 AM  
AVERAGE 60  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1957  
MINIMUM TEMPERATURE (F) 59 45 1911  
1985  
 
SUNRISE AND SUNSET  
SEPTEMBER 13 2024.....SUNRISE 622 AM EDT SUNSET 656 PM EDT  
SEPTEMBER 14 2024.....SUNRISE 624 AM EDT SUNSET 655 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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