752  
CDUS41 KBOX 302132  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
532 PM EDT SAT SEP 30 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 30 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 62 1237 PM 87 1986 68 -6 59  
MINIMUM 57 430 AM 36 1888 53 4 48  
AVERAGE 60 60 0 54  
 
PRECIPITATION (IN)  
TODAY T 2.46 2015 0.13 -0.13 0.00  
MONTH TO DATE 3.75 3.56 0.19 2.60  
SINCE SEP 1 3.75 3.56 0.19 2.60  
SINCE JAN 1 40.31 31.60 8.71 20.53  
 
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 6 -1 11  
MONTH TO DATE 55 71 -16 57  
SINCE SEP 1 55 71 -16 57  
SINCE JUL 1 55 80 -25 57  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 136 91 45 71  
SINCE SEP 1 136 91 45 71  
SINCE JAN 1 834 791 43 1021    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 67 300 PM  
AVERAGE 80  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1881  
MINIMUM TEMPERATURE (F) 53 36 1992  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 640 AM EDT SUNSET 628 PM EDT  
OCTOBER 1 2023.......SUNRISE 641 AM EDT SUNSET 626 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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