810  
CDUS41 KBOX 010728  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
328 AM EDT MON OCT 1 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 30 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 70 321 PM 87 1986 67 3 59  
MINIMUM 54 606 AM 36 1888 52 2 50  
AVERAGE 62 60 2 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.46 2015 0.13 -0.13 1.55  
MONTH TO DATE 4.77 3.44 1.33 3.73  
SINCE SEP 1 4.77 3.44 1.33 3.73  
SINCE JAN 1 37.21 32.06 5.15 35.02  
 
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 3 6 -3 10  
MONTH TO DATE 24 84 -60 37  
SINCE SEP 1 24 84 -60 37  
SINCE JUL 1 24 97 -73 49  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 153 81 72 111  
SINCE SEP 1 153 81 72 111  
SINCE JAN 1 1110 740 370 840    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 200 AM  
LOWEST 36 200 PM  
AVERAGE 54  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 90 1881  
MINIMUM TEMPERATURE (F) 52 36 1992  
 
 
SUNRISE AND SUNSET  
OCTOBER 1 2018.......SUNRISE 641 AM EDT SUNSET 626 PM EDT  
OCTOBER 2 2018.......SUNRISE 642 AM EDT SUNSET 624 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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