521  
CDUS41 KBOX 040527  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
127 AM EDT THU OCT 4 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 3 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 64 207 PM 85 1922 66 -2 65  
MINIMUM 54 736 AM 35 1899 51 3 51  
AVERAGE 59 58 1 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 1.48 1961 0.12 0.09 0.00  
1885  
MONTH TO DATE 0.56 0.38 0.18 0.00  
SINCE SEP 1 5.68 3.82 1.86 3.73  
SINCE JAN 1 38.12 32.44 5.68 35.02  
 
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 6 7 -1 7  
MONTH TO DATE 12 21 -9 21  
SINCE SEP 1 41 105 -64 58  
SINCE JUL 1 41 118 -77 70  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE SEP 1 153 84 69 111  
SINCE JAN 1 1110 743 367 840    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 78 100 PM  
AVERAGE 86  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 2007  
MINIMUM TEMPERATURE (F) 51 34 1888  
 
 
SUNRISE AND SUNSET  
OCTOBER 4 2018.......SUNRISE 644 AM EDT SUNSET 620 PM EDT  
OCTOBER 5 2018.......SUNRISE 646 AM EDT SUNSET 619 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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