628  
CDUS41 KBOX 200558  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
147 AM EDT MON AUG 20 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 19 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 73 221 PM 92 1983 79 -6 74  
1966  
1906  
MINIMUM 67 1044 PM 51 1882 65 2 65  
AVERAGE 70 72 -2 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 7.06 1955 0.10 -0.09 0.01  
MONTH TO DATE 4.15 2.16 1.99 1.47  
SINCE JUN 1 11.66 9.27 2.39 10.35  
SINCE JAN 1 31.94 27.43 4.51 31.18  
 
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 JUN 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 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 56 61 -5 60  
SINCE JUL 1 0 6 -6 10  
 
COOLING  
YESTERDAY 5 7 -2 5  
MONTH TO DATE 254 153 101 152  
SINCE JUN 1 747 555 192 593  
SINCE JAN 1 820 585 235 653    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION NE (50)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 15.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1000 PM  
LOWEST 68 1000 AM  
AVERAGE 81  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 98 1937  
MINIMUM TEMPERATURE (F) 64 52 1905  
1896  
1882  
 
 
SUNRISE AND SUNSET  
AUGUST 20 2018........SUNRISE 557 AM EDT SUNSET 738 PM EDT  
AUGUST 21 2018........SUNRISE 558 AM EDT SUNSET 736 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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