830  
CDUS41 KBOX 280657  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
257 AM EDT THU SEP 28 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 27 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 1232 PM 86 1933 69 -5 75  
1998  
2017  
MINIMUM 49 602 AM 37 1947 54 -5 58  
AVERAGE 57 62 -5 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.37 1962 0.13 -0.13 0.00  
MONTH TO DATE 3.48 3.17 0.31 2.60  
SINCE SEP 1 3.48 3.17 0.31 2.60  
SINCE JAN 1 40.04 31.21 8.83 20.53  
 
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 8 5 3 0  
MONTH TO DATE 36 55 -19 38  
SINCE SEP 1 36 55 -19 38  
SINCE JUL 1 36 64 -28 38  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 136 88 48 71  
SINCE SEP 1 136 88 48 71  
SINCE JAN 1 834 788 46 1021    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.6  
 
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 86 500 AM  
LOWEST 58 1200 PM  
AVERAGE 72  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 90 1873  
1881  
MINIMUM TEMPERATURE (F) 54 37 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2023.....SUNRISE 638 AM EDT SUNSET 631 PM EDT  
SEPTEMBER 29 2023.....SUNRISE 639 AM EDT SUNSET 629 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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