548  
CDUS41 KBOX 150709  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
308 AM EDT SAT SEP 15 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 14 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 75 905 AM 92 1931 73 2 84  
1915  
MINIMUM 65 1147 PM 40 1884 58 7 67  
AVERAGE 70 66 4 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.46 1944 0.12 -0.12 0.33  
MONTH TO DATE 2.02 1.49 0.53 1.47  
SINCE SEP 1 2.02 1.49 0.53 1.47  
SINCE JAN 1 34.46 30.11 4.35 32.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2017 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 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 4 18 -14 17  
SINCE SEP 1 4 18 -14 17  
SINCE JUL 1 4 31 -27 29  
 
COOLING  
YESTERDAY 5 3 2 11  
MONTH TO DATE 108 55 53 57  
SINCE SEP 1 108 55 53 57  
SINCE JAN 1 1065 714 351 786    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 5.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 73 900 AM  
AVERAGE 83  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1915  
MINIMUM TEMPERATURE (F) 58 41 1913  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2018.....SUNRISE 624 AM EDT SUNSET 654 PM EDT  
SEPTEMBER 16 2018.....SUNRISE 625 AM EDT SUNSET 652 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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