066  
CDUS41 KBOX 290658  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
258 AM EDT FRI SEP 29 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 28 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 121 PM 90 1873 69 -5 72  
1881  
MINIMUM 52 610 AM 37 1947 54 -2 55  
AVERAGE 58 61 -3 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.88 2004 0.13 -0.13 0.00  
MONTH TO DATE 3.48 3.30 0.18 2.60  
SINCE SEP 1 3.48 3.30 0.18 2.60  
SINCE JAN 1 40.04 31.34 8.70 20.53  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
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 7 5 2 1  
MONTH TO DATE 43 60 -17 39  
SINCE SEP 1 43 60 -17 39  
SINCE JUL 1 43 69 -26 39  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 136 89 47 71  
SINCE SEP 1 136 89 47 71  
SINCE JAN 1 834 789 45 1021    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 67 500 PM  
AVERAGE 80  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1952  
MINIMUM TEMPERATURE (F) 53 34 1914  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2023.....SUNRISE 639 AM EDT SUNSET 629 PM EDT  
SEPTEMBER 30 2023.....SUNRISE 640 AM EDT SUNSET 628 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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