189  
CDUS41 KBOX 180541  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
140 AM EDT MON JUN 18 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 17 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 81 901 AM 95 1894 77 4 69  
MINIMUM 62 139 AM 48 1926 60 2 58  
AVERAGE 72 68 4 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.26 2001 0.12 -0.12 0.02  
MONTH TO DATE 0.98 2.35 -1.37 4.46  
SINCE JUN 1 0.98 2.35 -1.37 4.46  
SINCE JAN 1 21.26 20.51 0.75 25.29  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1952 0.0 0.0 0.0  
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 59.9 43.8 16.1 47.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 1  
MONTH TO DATE 54 45 9 50  
SINCE JUN 1 54 45 9 50  
SINCE JUL 1 5395 5671 -276 5254  
 
COOLING  
YESTERDAY 7 5 2 0  
MONTH TO DATE 42 57 -15 66  
SINCE JUN 1 42 57 -15 66  
SINCE JAN 1 115 87 28 126    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 600 PM  
LOWEST 35 1100 AM  
AVERAGE 57  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1929  
1907  
MINIMUM TEMPERATURE (F) 60 47 1920  
 
 
SUNRISE AND SUNSET  
JUNE 18 2018..........SUNRISE 507 AM EDT SUNSET 824 PM EDT  
JUNE 19 2018..........SUNRISE 507 AM EDT SUNSET 824 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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