234  
CDUS41 KBOX 131706  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
106 PM EDT MON AUG 13 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 12 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 75 1253 PM 101 1944 80 -5 76  
MINIMUM 67 332 AM 53 1930 65 2 63  
AVERAGE 71 73 -2 70  
 
PRECIPITATION (IN)  
YESTERDAY 1.38 2.29 1892 0.10 1.28 0.10  
MONTH TO DATE 3.51 1.42 2.09 1.22  
SINCE JUN 1 11.02 8.53 2.49 10.10  
SINCE JAN 1 31.30 26.69 4.61 30.93  
 
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 6 8 -2 5  
MONTH TO DATE 178 100 78 93  
SINCE JUN 1 671 502 169 534  
SINCE JAN 1 744 532 212 594    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (30)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 87 100 PM  
AVERAGE 92  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 100 1944  
MINIMUM TEMPERATURE (F) 65 53 1902  
 
 
SUNRISE AND SUNSET  
AUGUST 13 2018........SUNRISE 549 AM EDT SUNSET 748 PM EDT  
AUGUST 14 2018........SUNRISE 550 AM EDT SUNSET 747 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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