878  
CDUS41 KBOX 270804  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
354 AM EDT THU SEP 27 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 26 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 84 1241 PM 95 1881 69 15 80  
MINIMUM 68 408 AM 34 1879 54 14 63  
AVERAGE 76 61 15 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 2.12 1918 0.13 0.15 0.00  
MONTH TO DATE 4.72 2.94 1.78 2.18  
SINCE SEP 1 4.72 2.94 1.78 2.18  
SINCE JAN 1 37.16 31.56 5.60 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 61 -40 22  
SINCE SEP 1 21 61 -40 22  
SINCE JUL 1 21 74 -53 34  
 
COOLING  
YESTERDAY 11 1 10 7  
MONTH TO DATE 152 76 76 97  
SINCE SEP 1 152 76 76 97  
SINCE JAN 1 1109 735 374 826    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 12.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 100 AM  
LOWEST 65 300 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 86 2017  
1998  
1933  
MINIMUM TEMPERATURE (F) 53 37 1947  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2018.....SUNRISE 637 AM EDT SUNSET 633 PM EDT  
SEPTEMBER 28 2018.....SUNRISE 638 AM EDT SUNSET 631 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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