533  
CDUS41 KBOX 182123  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
523 PM EDT WED SEP 18 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 18 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 72 956 AM 90 1891 72 0 66  
1906  
1955  
MINIMUM 60 608 AM 43 1875 58 2 63  
AVERAGE 66 65 1 65  
 
PRECIPITATION (IN)  
TODAY 0.00 2.87 2004 0.13 -0.13 1.52  
MONTH TO DATE T 2.03 -2.03 2.98  
SINCE SEP 1 T 2.03 -2.03 2.98  
SINCE JAN 1 34.14 30.07 4.07 39.54  
 
SNOWFALL (IN)  
TODAY MM 0.0 2000 0.0 MM 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 0 2 -2 0  
MONTH TO DATE 1 22 -21 2  
SINCE SEP 1 1 22 -21 2  
SINCE JUL 1 3 31 -28 2  
 
COOLING  
TODAY 1 2 -1 0  
MONTH TO DATE 57 72 -15 132  
SINCE SEP 1 57 72 -15 132  
SINCE JAN 1 867 772 95 830    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 PM  
LOWEST 68 1000 AM  
AVERAGE 81  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 92 1983  
MINIMUM TEMPERATURE (F) 57 42 1929  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2024.....SUNRISE 628 AM EDT SUNSET 648 PM EDT  
SEPTEMBER 19 2024.....SUNRISE 629 AM EDT SUNSET 646 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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