694  
CDUS41 KBOX 170559  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
149 AM EDT FRI AUG 17 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR AUGUST 16 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 91 450 PM 97 1944 80 11 85  
MINIMUM 75 1045 PM 47 1880 65 10 66  
AVERAGE 83 72 11 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.77 1872 0.11 -0.11 0.00  
MONTH TO DATE 3.81 1.85 1.96 1.22  
SINCE JUN 1 11.32 8.96 2.36 10.10  
SINCE JAN 1 31.60 27.12 4.48 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 18 8 10 11  
MONTH TO DATE 226 132 94 131  
SINCE JUN 1 719 534 185 572  
SINCE JAN 1 792 564 228 632    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 400 AM  
LOWEST 38 500 PM  
AVERAGE 56  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 97 1944  
MINIMUM TEMPERATURE (F) 65 51 1934  
 
 
SUNRISE AND SUNSET  
AUGUST 17 2018........SUNRISE 553 AM EDT SUNSET 742 PM EDT  
AUGUST 18 2018........SUNRISE 554 AM EDT SUNSET 741 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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