680  
CDUS41 KBOX 240618  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
208 AM EDT MON SEP 24 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 23 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 65 245 PM 96 1895 70 -5 76  
MINIMUM 53 729 AM 35 1904 55 -2 60  
1875  
AVERAGE 59 62 -3 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.64 1994 0.12 -0.12 0.03  
MONTH TO DATE 3.20 2.56 0.64 2.18  
SINCE SEP 1 3.20 2.56 0.64 2.18  
SINCE JAN 1 35.64 31.18 4.46 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 6 4 2 0  
MONTH TO DATE 12 47 -35 22  
SINCE SEP 1 12 47 -35 22  
SINCE JUL 1 12 60 -48 34  
 
COOLING  
YESTERDAY 0 1 -1 3  
MONTH TO DATE 141 73 68 79  
SINCE SEP 1 141 73 68 79  
SINCE JAN 1 1098 732 366 808    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 1100 PM  
LOWEST 48 100 PM  
AVERAGE 62  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 90 1959  
MINIMUM TEMPERATURE (F) 54 39 1974  
1963  
1885  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2018.....SUNRISE 634 AM EDT SUNSET 638 PM EDT  
SEPTEMBER 25 2018.....SUNRISE 635 AM EDT SUNSET 636 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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