149  
CDUS41 KBOX 170752  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
352 AM EDT SUN OCT 17 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 16 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 76 1038 AM 88 1897 62 14 71  
MINIMUM 62 1159 PM 30 1876 47 15 50  
1883  
AVERAGE 69 55 14 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.64 1974 0.13 -0.11 0.77  
MONTH TO DATE 1.53 2.05 -0.52 2.31  
SINCE SEP 1 9.00 5.61 3.39 3.28  
SINCE JAN 1 44.96 33.65 11.31 25.00  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0  
2008  
2009  
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  
YESTERDAY 0 10 -10 4  
MONTH TO DATE 24 130 -106 100  
SINCE SEP 1 36 201 -165 170  
SINCE JUL 1 45 210 -165 172  
 
COOLING  
YESTERDAY 4 0 4 0  
MONTH TO DATE 12 6 6 3  
SINCE SEP 1 168 97 71 97  
SINCE JAN 1 1144 797 347 924    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 15.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1200 AM  
LOWEST 66 1100 AM  
AVERAGE 78  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 89 1947  
MINIMUM TEMPERATURE (F) 47 27 1886  
 
SUNRISE AND SUNSET  
OCTOBER 17 2021.......SUNRISE 700 AM EDT SUNSET 559 PM EDT  
OCTOBER 18 2021.......SUNRISE 701 AM EDT SUNSET 557 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page Main Text Page