204  
CDUS41 KBOX 120600  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
149 AM EDT FRI OCT 12 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 11 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 72 1238 AM 82 1955 63 9 68  
MINIMUM 58 1159 PM 32 1979 48 10 57  
1881  
AVERAGE 65 56 9 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.60 0.85 2006 0.13 0.47 0.01  
MONTH TO DATE 1.26 1.41 -0.15 0.39  
SINCE SEP 1 6.38 4.85 1.53 4.12  
SINCE JAN 1 38.82 33.47 5.35 35.41  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2009 0.0 0.0 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 0 10 -10 2  
MONTH TO DATE 31 91 -60 23  
SINCE SEP 1 60 175 -115 60  
SINCE JUL 1 60 188 -128 72  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 22 6 16 34  
SINCE SEP 1 175 87 88 145  
SINCE JAN 1 1132 746 386 874    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 7.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 700 AM  
LOWEST 84 1200 AM  
AVERAGE 92  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 90 1954  
MINIMUM TEMPERATURE (F) 48 31 1876  
 
 
SUNRISE AND SUNSET  
OCTOBER 12 2018.......SUNRISE 653 AM EDT SUNSET 607 PM EDT  
OCTOBER 13 2018.......SUNRISE 655 AM EDT SUNSET 605 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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