984  
CDUS41 KBOX 152136  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
536 PM EDT FRI SEP 15 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 15 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 70 104 PM 94 1915 74 -4 72  
MINIMUM 57 608 AM 41 1913 59 -2 57  
AVERAGE 64 66 -2 65  
 
PRECIPITATION (IN)  
TODAY 0.00 3.48 1904 0.12 -0.12 0.00  
MONTH TO DATE 1.39 1.64 -0.25 1.12  
SINCE SEP 1 1.39 1.64 -0.25 1.12  
SINCE JAN 1 37.95 29.68 8.27 19.05  
 
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 1 2 -1 0  
MONTH TO DATE 2 16 -14 3  
SINCE SEP 1 2 16 -14 3  
SINCE JUL 1 2 25 -23 3  
 
COOLING  
TODAY 0 3 -3 0  
MONTH TO DATE 127 64 63 59  
SINCE SEP 1 127 64 63 59  
SINCE JAN 1 825 764 61 1009    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 14.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 400 AM  
LOWEST 50 200 PM  
AVERAGE 63  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 96 1939  
MINIMUM TEMPERATURE (F) 58 42 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2023.....SUNRISE 624 AM EDT SUNSET 654 PM EDT  
SEPTEMBER 16 2023.....SUNRISE 625 AM EDT SUNSET 652 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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