613  
CDUS41 KBOX 192152  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
542 PM EDT WED SEP 19 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 19 2018
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 71 155 AM 92 1983 71 0 66  
MINIMUM 63 1225 PM 42 1929 56 7 63  
AVERAGE 67 64 3 65  
 
PRECIPITATION (IN)  
TODAY T 1.21 1936 0.12 -0.12 0.04  
MONTH TO DATE 3.17 2.07 1.10 1.72  
SINCE SEP 1 3.17 2.07 1.10 1.72  
SINCE JAN 1 35.61 30.69 4.92 33.01  
 
SNOWFALL (IN)  
TODAY 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 SEP 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  
TODAY 0 3 -3 0  
MONTH TO DATE 4 32 -28 17  
SINCE SEP 1 4 32 -28 17  
SINCE JUL 1 4 45 -41 29  
 
COOLING  
TODAY 2 2 0 0  
MONTH TO DATE 139 66 73 70  
SINCE SEP 1 139 66 73 70  
SINCE JAN 1 1096 725 371 799    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 300 AM  
LOWEST 73 400 PM  
AVERAGE 83  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 97 1983  
MINIMUM TEMPERATURE (F) 56 42 1979  
1964  
1929  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2018.....SUNRISE 628 AM EDT SUNSET 647 PM EDT  
SEPTEMBER 20 2018.....SUNRISE 629 AM EDT SUNSET 645 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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