171  
CDUS41 KBOX 090550  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
140 AM EDT MON JUL 9 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 8 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 81 153 PM 99 1937 81 0 87  
MINIMUM 61 438 AM 55 2000 65 -4 63  
1909  
AVERAGE 71 73 -2 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.87 1915 0.09 -0.09 0.40  
MONTH TO DATE 0.36 0.73 -0.37 0.81  
SINCE JUN 1 3.32 4.41 -1.09 5.66  
SINCE JAN 1 23.60 22.57 1.03 26.49  
 
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 55 1 50  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 6 8 -2 10  
MONTH TO DATE 103 63 40 78  
SINCE JUN 1 244 199 45 269  
SINCE JAN 1 317 229 88 329    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 300 AM  
LOWEST 35 200 PM  
AVERAGE 54  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 99 1981  
1912  
MINIMUM TEMPERATURE (F) 65 53 1909  
 
 
SUNRISE AND SUNSET  
JULY 9 2018..........SUNRISE 516 AM EDT SUNSET 822 PM EDT  
JULY 10 2018..........SUNRISE 517 AM EDT SUNSET 822 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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