941  
CDUS41 KBOX 180932  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
522 AM EDT TUE SEP 18 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 17 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 85 138 PM 91 1915 72 13 73  
MINIMUM 67 123 AM 44 2013 57 10 61  
AVERAGE 76 65 11 67  
 
PRECIPITATION (IN)  
YESTERDAY T 2.77 1995 0.11 -0.11 0.00  
MONTH TO DATE 2.02 1.83 0.19 1.68  
SINCE SEP 1 2.02 1.83 0.19 1.68  
SINCE JAN 1 34.46 30.45 4.01 32.97  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
2000  
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 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 4 26 -22 17  
SINCE SEP 1 4 26 -22 17  
SINCE JUL 1 4 39 -35 29  
 
COOLING  
YESTERDAY 11 2 9 2  
MONTH TO DATE 129 62 67 69  
SINCE SEP 1 129 62 67 69  
SINCE JAN 1 1086 721 365 798    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 10.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 200 AM  
LOWEST 47 200 PM  
AVERAGE 70  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 90 1955  
1906  
1891  
MINIMUM TEMPERATURE (F) 57 43 1875  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2018.....SUNRISE 627 AM EDT SUNSET 649 PM EDT  
SEPTEMBER 19 2018.....SUNRISE 628 AM EDT SUNSET 647 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