140  
CDUS41 KBOX 132118  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
518 PM EDT WED OCT 13 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 13 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 78 143 PM 87 1930 63 15 58  
MINIMUM 60 605 AM 30 1875 48 12 51  
AVERAGE 69 56 13 55  
 
PRECIPITATION (IN)  
TODAY 0.00 4.85 1895 0.13 -0.13 1.50  
MONTH TO DATE 1.51 1.66 -0.15 1.54  
SINCE SEP 1 8.98 5.22 3.76 2.51  
SINCE JAN 1 44.94 33.26 11.68 24.23  
 
SNOWFALL (IN)  
TODAY 0.0 T 1934 0.0 0.0 0.0  
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  
TODAY 0 10 -10 10  
MONTH TO DATE 24 100 -76 87  
SINCE SEP 1 36 171 -135 157  
SINCE JUL 1 45 180 -135 159  
 
COOLING  
TODAY 4 0 4 0  
MONTH TO DATE 5 6 -1 3  
SINCE SEP 1 161 97 64 97  
SINCE JAN 1 1137 797 340 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 300 AM  
LOWEST 46 1100 AM  
AVERAGE 66  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 81 1923  
MINIMUM TEMPERATURE (F) 48 31 1875  
 
SUNRISE AND SUNSET  
OCTOBER 13 2021.......SUNRISE 655 AM EDT SUNSET 605 PM EDT  
OCTOBER 14 2021.......SUNRISE 656 AM EDT SUNSET 603 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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