938  
CDUS41 KBOX 120642  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
142 AM EST FRI NOV 12 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR NOVEMBER 11 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 53 150 PM 73 2020 53 0 73  
MINIMUM 41 707 AM 23 2017 39 2 56  
AVERAGE 47 46 1 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.10 1991 0.12 -0.12 0.01  
MONTH TO DATE 0.00 1.31 -1.31 0.63  
SINCE SEP 1 12.58 8.90 3.68 6.58  
SINCE JAN 1 48.54 36.94 11.60 28.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1987 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 T  
SINCE SEP 1 0.0 0.3 -0.3 4.3  
SINCE JUL 1 0.0 0.3 -0.3 4.3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 19 -1 0  
MONTH TO DATE 181 189 -8 123  
SINCE SEP 1 357 586 -229 508  
SINCE JUL 1 366 595 -229 510  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 170 100 70 97  
SINCE JAN 1 1146 800 346 924    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SE (120)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1100 PM  
LOWEST 39 1000 AM  
AVERAGE 55  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 76 1909  
MINIMUM TEMPERATURE (F) 39 25 1894  
1926  
 
SUNRISE AND SUNSET  
NOVEMBER 12 2021......SUNRISE 631 AM EST SUNSET 425 PM EST  
NOVEMBER 13 2021......SUNRISE 633 AM EST SUNSET 424 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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