215  
CDUS41 KBOX 010554  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
154 AM EDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 30 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 62 1237 PM 87 1986 68 -6 59  
MINIMUM 56 1159 PM 36 1888 53 3 48  
AVERAGE 59 60 -1 54  
 
PRECIPITATION (IN)  
YESTERDAY T 2.46 2015 0.13 -0.13 0.00  
MONTH TO DATE 3.75 3.56 0.19 2.60  
SINCE SEP 1 3.75 3.56 0.19 2.60  
SINCE JAN 1 40.31 31.60 8.71 20.53  
 
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 6 6 0 11  
MONTH TO DATE 56 71 -15 57  
SINCE SEP 1 56 71 -15 57  
SINCE JUL 1 56 80 -24 57  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 136 91 45 71  
SINCE SEP 1 136 91 45 71  
SINCE JAN 1 834 791 43 1021    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 62 500 PM  
AVERAGE 78  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1881  
MINIMUM TEMPERATURE (F) 53 36 1992  
 
SUNRISE AND SUNSET  
OCTOBER 1 2023.......SUNRISE 641 AM EDT SUNSET 626 PM EDT  
OCTOBER 2 2023.......SUNRISE 642 AM EDT SUNSET 624 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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