683  
CDUS41 KBOX 232235  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
635 PM EDT SAT SEP 23 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 23 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 61 106 PM 96 1895 71 -10 61  
MINIMUM 58 359 PM 35 1875 56 2 50  
1904  
AVERAGE 60 63 -3 56  
 
PRECIPITATION (IN)  
TODAY 0.03 2.64 1994 0.12 -0.09 0.00  
MONTH TO DATE 3.01 2.66 0.35 2.31  
SINCE SEP 1 3.01 2.66 0.35 2.31  
SINCE JAN 1 39.57 30.70 8.87 20.24  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 5 4 1 9  
MONTH TO DATE 11 38 -27 28  
SINCE SEP 1 11 38 -27 28  
SINCE JUL 1 11 47 -36 28  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 136 82 54 67  
SINCE SEP 1 136 82 54 67  
SINCE JAN 1 834 782 52 1017    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 13.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 500 PM  
LOWEST 69 500 AM  
AVERAGE 81  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1959  
MINIMUM TEMPERATURE (F) 55 39 1885  
1963  
1974  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2023.....SUNRISE 632 AM EDT SUNSET 640 PM EDT  
SEPTEMBER 24 2023.....SUNRISE 633 AM EDT SUNSET 638 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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