553  
CDUS41 KBOX 050523  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
123 AM EDT TUE OCT 05 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 4 2021
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 206 AM 86 2007 66 -3 63  
MINIMUM 55 1159 PM 34 1888 52 3 49  
AVERAGE 59 59 0 56  
 
PRECIPITATION (IN)  
YESTERDAY 1.08 1.57 1987 0.13 0.95 T  
MONTH TO DATE 1.21 0.50 0.71 0.02  
SINCE SEP 1 8.68 4.06 4.62 0.99  
SINCE JAN 1 44.64 32.10 12.54 22.71  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0  
2008  
2009  
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 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 7 -1 9  
MONTH TO DATE 13 25 -12 23  
SINCE SEP 1 25 96 -71 93  
SINCE JUL 1 34 105 -71 95  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 4 -4 2  
SINCE SEP 1 156 95 61 96  
SINCE JAN 1 1132 795 337 923    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 78 400 PM  
AVERAGE 86  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 87 1922  
MINIMUM TEMPERATURE (F) 51 28 1881  
 
SUNRISE AND SUNSET  
OCTOBER 5 2021.......SUNRISE 646 AM EDT SUNSET 618 PM EDT  
OCTOBER 6 2021.......SUNRISE 647 AM EDT SUNSET 617 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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