274  
CDUS41 KBOX 180726  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
324 AM EDT WED JUL 18 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 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 91 1251 PM 98 1999 82 9 83  
1977  
MINIMUM 69 604 PM 54 1946 66 3 68  
1892  
AVERAGE 80 74 6 76  
 
PRECIPITATION (IN)  
YESTERDAY 2.68R 1.12 1989 0.12 2.56 0.00  
MONTH TO DATE 3.55 1.74 1.81 2.45  
SINCE JUN 1 6.51 5.42 1.09 7.30  
SINCE JAN 1 26.79 23.58 3.21 28.13  
 
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 2  
SINCE JUN 1 56 55 1 52  
SINCE JUL 1 0 0 0 2  
 
COOLING  
YESTERDAY 15 9 6 11  
MONTH TO DATE 185 142 43 144  
SINCE JUN 1 326 278 48 335  
SINCE JAN 1 399 308 91 395    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 PM  
LOWEST 56 1200 PM  
AVERAGE 77  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1982  
MINIMUM TEMPERATURE (F) 66 54 1881  
 
 
SUNRISE AND SUNSET  
JULY 18 2018..........SUNRISE 523 AM EDT SUNSET 817 PM EDT  
JULY 19 2018..........SUNRISE 524 AM EDT SUNSET 816 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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