135  
CDUS41 KBOX 100546  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
135 AM EDT WED OCT 10 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 9 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 80 1241 PM 87 2011 64 16 75  
MINIMUM 58 101 AM 32 1873 49 9 67  
AVERAGE 69 56 13 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.06 1906 0.13 -0.13 0.27  
MONTH TO DATE 0.66 1.15 -0.49 0.38  
SINCE SEP 1 5.78 4.59 1.19 4.11  
SINCE JAN 1 38.22 33.21 5.01 35.40  
 
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 9 -9 0  
MONTH TO DATE 31 72 -41 21  
SINCE SEP 1 60 156 -96 58  
SINCE JUL 1 60 169 -109 70  
 
COOLING  
YESTERDAY 4 0 4 6  
MONTH TO DATE 10 6 4 27  
SINCE SEP 1 163 87 76 138  
SINCE JAN 1 1120 746 374 867    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 12.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1200 AM  
LOWEST 67 1200 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 87 1939  
MINIMUM TEMPERATURE (F) 48 32 1979  
 
 
SUNRISE AND SUNSET  
OCTOBER 10 2018.......SUNRISE 651 AM EDT SUNSET 610 PM EDT  
OCTOBER 11 2018.......SUNRISE 652 AM EDT SUNSET 609 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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