868  
CDUS41 KBOX 090545  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
145 AM EDT SAT SEP 09 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 8 2023
 
 
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)  
YESTERDAY  
MAXIMUM 88 130 PM 96 2015 76 12 71  
MINIMUM 71 526 AM 48 1903 61 10 59  
1978  
AVERAGE 80 68 12 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.65 2004 0.10 -0.10 0.00  
MONTH TO DATE 0.01 0.84 -0.83 0.97  
SINCE SEP 1 0.01 0.84 -0.83 0.97  
SINCE JAN 1 36.57 28.88 7.69 18.90  
 
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 1 -1 0  
MONTH TO DATE 1 6 -5 3  
SINCE SEP 1 1 6 -5 3  
SINCE JUL 1 1 15 -14 3  
 
COOLING  
YESTERDAY 15 4 11 0  
MONTH TO DATE 84 40 44 20  
SINCE SEP 1 84 40 44 20  
SINCE JAN 1 782 740 42 970    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 62 300 PM  
AVERAGE 78  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 2015  
2016  
MINIMUM TEMPERATURE (F) 61 45 1938  
 
SUNRISE AND SUNSET  
SEPTEMBER 9 2023.....SUNRISE 617 AM EDT SUNSET 705 PM EDT  
SEPTEMBER 10 2023.....SUNRISE 619 AM EDT SUNSET 703 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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