545  
CDUS41 KBOX 300528  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
128 AM EDT SAT OCT 30 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 29 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 52 1159 PM 79 1918 58 -6 49  
MINIMUM 41 506 AM 26 1876 43 -2 43  
AVERAGE 47 50 -3 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.49 2003 0.13 -0.13 0.91  
MONTH TO DATE 3.67 3.78 -0.11 4.72  
SINCE SEP 1 11.14 7.34 3.80 5.69  
SINCE JAN 1 47.10 35.38 11.72 27.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.1 2005 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 15 3 19  
MONTH TO DATE 150 295 -145 257  
SINCE SEP 1 162 366 -204 327  
SINCE JUL 1 171 375 -204 329  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 14 6 8 3  
SINCE SEP 1 170 97 73 97  
SINCE JAN 1 1146 797 349 924    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 71 400 PM  
AVERAGE 79  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 78 1918  
MINIMUM TEMPERATURE (F) 43 28 1928  
 
SUNRISE AND SUNSET  
OCTOBER 30 2021.......SUNRISE 715 AM EDT SUNSET 540 PM EDT  
OCTOBER 31 2021.......SUNRISE 716 AM EDT SUNSET 538 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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