299  
CDUS41 KBOX 270644  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
244 AM EDT WED SEP 27 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 26 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 60 139 PM 95 1881 69 -9 75  
MINIMUM 50 1138 PM 34 1879 55 -5 59  
AVERAGE 55 62 -7 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.12 1918 0.12 -0.12 0.29  
MONTH TO DATE 3.48 3.04 0.44 2.60  
SINCE SEP 1 3.48 3.04 0.44 2.60  
SINCE JAN 1 40.04 31.08 8.96 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 10 4 6 0  
MONTH TO DATE 28 50 -22 38  
SINCE SEP 1 28 50 -22 38  
SINCE JUL 1 28 59 -31 38  
 
COOLING  
YESTERDAY 0 1 -1 2  
MONTH TO DATE 136 87 49 69  
SINCE SEP 1 136 87 49 69  
SINCE JAN 1 834 787 47 1019    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 600 AM  
LOWEST 67 200 PM  
AVERAGE 77  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 86 1933  
1998  
2017  
MINIMUM TEMPERATURE (F) 54 37 1947  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 637 AM EDT SUNSET 633 PM EDT  
SEPTEMBER 28 2023.....SUNRISE 638 AM EDT SUNSET 631 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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