523  
CDUS41 KBOX 121715  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
105 PM EDT THU JUL 12 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 11 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 1148 AM 100 1911 82 -7 83  
MINIMUM 66 721 PM 54 1890 65 1 67  
AVERAGE 71 73 -2 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.19 2.36 1959 0.11 0.08 0.17  
MONTH TO DATE 0.55 1.05 -0.50 0.98  
SINCE JUN 1 3.51 4.73 -1.22 5.83  
SINCE JAN 1 23.79 22.89 0.90 26.66  
 
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 9 -3 10  
MONTH TO DATE 139 88 51 109  
SINCE JUN 1 280 224 56 300  
SINCE JAN 1 353 254 99 360    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 300 AM  
LOWEST 50 1100 AM  
AVERAGE 67  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1908  
MINIMUM TEMPERATURE (F) 65 54 1886  
 
 
SUNRISE AND SUNSET  
JULY 12 2018..........SUNRISE 518 AM EDT SUNSET 821 PM EDT  
JULY 13 2018..........SUNRISE 519 AM EDT SUNSET 820 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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