886  
CDUS41 KBOX 280609  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
157 AM EDT FRI SEP 28 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 27 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 71 223 AM 86 2017 68 3 86  
1998  
1933  
MINIMUM 61 959 PM 37 1947 53 8 65  
AVERAGE 66 61 5 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 2.37 1962 0.12 -0.07 0.00  
MONTH TO DATE 4.77 3.06 1.71 2.18  
SINCE SEP 1 4.77 3.06 1.71 2.18  
SINCE JAN 1 37.21 31.68 5.53 33.47  
 
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 5 -5 0  
MONTH TO DATE 21 66 -45 22  
SINCE SEP 1 21 66 -45 22  
SINCE JUL 1 21 79 -58 34  
 
COOLING  
YESTERDAY 1 1 0 11  
MONTH TO DATE 153 77 76 108  
SINCE SEP 1 153 77 76 108  
SINCE JAN 1 1110 736 374 837    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 10.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 100 AM  
LOWEST 51 1100 AM  
AVERAGE 71  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 90 1881  
1873  
MINIMUM TEMPERATURE (F) 53 37 1947  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2018.....SUNRISE 638 AM EDT SUNSET 631 PM EDT  
SEPTEMBER 29 2018.....SUNRISE 639 AM EDT SUNSET 629 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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