667  
CDUS41 KBOX 200532  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
132 AM EDT FRI SEP 20 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 19 2024
 
 
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)  
YESTERDAY  
MAXIMUM 75 153 PM 92 1983 72 3 73  
MINIMUM 62 610 AM 42 1929 57 5 61  
AVERAGE 69 65 4 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.21 1936 0.12 -0.11 0.00  
MONTH TO DATE 0.01 2.15 -2.14 2.98  
SINCE SEP 1 0.01 2.15 -2.14 2.98  
SINCE JAN 1 34.15 30.19 3.96 39.54  
 
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 0 3 -3 0  
MONTH TO DATE 1 25 -24 2  
SINCE SEP 1 1 25 -24 2  
SINCE JUL 1 3 34 -31 2  
 
COOLING  
YESTERDAY 4 2 2 2  
MONTH TO DATE 61 74 -13 134  
SINCE SEP 1 61 74 -13 134  
SINCE JAN 1 871 774 97 832    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 71 200 PM  
AVERAGE 86  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 97 1983  
MINIMUM TEMPERATURE (F) 57 42 1929  
1964  
1979  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2024.....SUNRISE 630 AM EDT SUNSET 644 PM EDT  
SEPTEMBER 21 2024.....SUNRISE 631 AM EDT SUNSET 642 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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