095  
CDUS41 KBOX 230533  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
133 AM EDT SAT OCT 23 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 22 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 72 1243 PM 83 1979 60 12 67  
MINIMUM 55 1159 PM 28 1940 46 9 54  
AVERAGE 64 53 11 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1898 0.14 -0.14 0.00  
MONTH TO DATE 1.84 2.86 -1.02 3.53  
SINCE SEP 1 9.31 6.42 2.89 4.50  
SINCE JAN 1 45.27 34.46 10.81 26.22  
 
SNOWFALL (IN)  
YESTERDAY MM T 1969 0.0 MM 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 1 12 -11 4  
MONTH TO DATE 53 199 -146 160  
SINCE SEP 1 65 270 -205 230  
SINCE JUL 1 74 279 -205 232  
 
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 W (250)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 11.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 44 400 PM  
AVERAGE 69  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 84 1947  
MINIMUM TEMPERATURE (F) 45 29 1883  
 
SUNRISE AND SUNSET  
OCTOBER 23 2021.......SUNRISE 707 AM EDT SUNSET 549 PM EDT  
OCTOBER 24 2021.......SUNRISE 708 AM EDT SUNSET 548 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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