458  
CDUS41 KBOX 212126  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
526 PM EDT SAT SEP 21 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 21 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 738 AM 94 1895 71 -11 69  
MINIMUM 58 247 PM 40 1904 56 2 57  
1929  
AVERAGE 59 64 -5 63  
 
PRECIPITATION (IN)  
TODAY 0.62 2.77 1961 0.13 0.49 0.00  
MONTH TO DATE 0.68 2.41 -1.73 2.98  
SINCE SEP 1 0.68 2.41 -1.73 2.98  
SINCE JAN 1 34.82 30.45 4.37 39.54  
 
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 6 3 3 2  
MONTH TO DATE 10 31 -21 4  
SINCE SEP 1 10 31 -21 4  
SINCE JUL 1 12 40 -28 4  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 61 78 -17 136  
SINCE SEP 1 61 78 -17 136  
SINCE JAN 1 871 778 93 834    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 15.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 800 AM  
LOWEST 90 500 AM  
AVERAGE 94  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 94 1895  
MINIMUM TEMPERATURE (F) 56 35 1904  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 631 AM EDT SUNSET 642 PM EDT  
SEPTEMBER 22 2024.....SUNRISE 632 AM EDT SUNSET 640 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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