622  
CDUS41 KBOX 171713  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
103 PM EDT WED OCT 17 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 16 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 59 MM 88 1897 61 -2 70  
MINIMUM 47 MM 30 1883 46 1 44  
1876  
AVERAGE 53 54 -1 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.64 1974 0.13 -0.10 0.00  
MONTH TO DATE 1.58 2.04 -0.46 0.49  
SINCE SEP 1 6.70 5.48 1.22 4.22  
SINCE JAN 1 39.14 34.10 5.04 35.51  
 
SNOWFALL (IN)  
YESTERDAY MM 0.0 2009 0.0 MM 0.0  
2008  
2007  
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 12 11 1 8  
MONTH TO DATE 86 144 -58 57  
SINCE SEP 1 115 228 -113 94  
SINCE JUL 1 115 241 -126 106  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 22 6 16 36  
SINCE SEP 1 175 87 88 147  
SINCE JAN 1 1132 746 386 876    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 14.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 100 AM  
LOWEST 33 200 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 89 1947  
MINIMUM TEMPERATURE (F) 46 27 1886  
 
 
SUNRISE AND SUNSET  
OCTOBER 17 2018.......SUNRISE 659 AM EDT SUNSET 559 PM EDT  
OCTOBER 18 2018.......SUNRISE 700 AM EDT SUNSET 557 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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