033  
CDUS41 KBOX 100919  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
519 AM EDT SUN SEP 10 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 9 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 85 1157 AM 93 2015 76 9 75  
2016  
MINIMUM 69 1116 PM 45 1938 61 8 58  
AVERAGE 77 68 9 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 2.19 1969 0.11 0.02 0.00  
MONTH TO DATE 0.14 0.95 -0.81 0.97  
SINCE SEP 1 0.14 0.95 -0.81 0.97  
SINCE JAN 1 36.70 28.99 7.71 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 7 -6 3  
SINCE SEP 1 1 7 -6 3  
SINCE JUL 1 1 16 -15 3  
 
COOLING  
YESTERDAY 12 4 8 2  
MONTH TO DATE 96 44 52 22  
SINCE SEP 1 96 44 52 22  
SINCE JAN 1 794 744 50 972    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 800 AM  
LOWEST 68 1200 PM  
AVERAGE 81  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 1931  
MINIMUM TEMPERATURE (F) 60 41 1883  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 619 AM EDT SUNSET 703 PM EDT  
SEPTEMBER 11 2023.....SUNRISE 620 AM EDT SUNSET 701 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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