621  
CDUS41 KBOX 290529  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
129 AM EDT FRI OCT 29 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 28 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 50 243 PM 81 1919 58 -8 51  
1927  
MINIMUM 43 1159 PM 28 1936 44 -1 44  
AVERAGE 47 51 -4 48  
 
PRECIPITATION (IN)  
YESTERDAY T 2.02 2006 0.13 -0.13 0.27  
MONTH TO DATE 3.67 3.65 0.02 3.81  
SINCE SEP 1 11.14 7.21 3.93 4.78  
SINCE JAN 1 47.10 35.25 11.85 26.50  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1909 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 14 4 17  
MONTH TO DATE 132 280 -148 238  
SINCE SEP 1 144 351 -207 308  
SINCE JUL 1 153 360 -207 310  
 
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 N (350)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 1200 AM  
LOWEST 63 400 PM  
AVERAGE 75  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 79 1918  
MINIMUM TEMPERATURE (F) 43 26 1876  
 
SUNRISE AND SUNSET  
OCTOBER 29 2021.......SUNRISE 714 AM EDT SUNSET 541 PM EDT  
OCTOBER 30 2021.......SUNRISE 715 AM EDT SUNSET 540 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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