582  
CDUS41 KBOX 112150  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
540 PM EDT TUE SEP 11 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 11 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 75 148 PM 99 1983 74 1 80  
MINIMUM 65 259 AM 40 1917 59 6 55  
AVERAGE 70 67 3 68  
 
PRECIPITATION (IN)  
TODAY 0.53 5.63 1954 0.10 0.43 0.00  
MONTH TO DATE 1.32 1.14 0.18 1.11  
SINCE SEP 1 1.32 1.14 0.18 1.11  
SINCE JAN 1 33.76 29.76 4.00 32.40  
 
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 2 -2 0  
MONTH TO DATE 4 12 -8 17  
SINCE SEP 1 4 12 -8 17  
SINCE JUL 1 4 25 -21 29  
 
COOLING  
TODAY 5 3 2 3  
MONTH TO DATE 97 46 51 31  
SINCE SEP 1 97 46 51 31  
SINCE JAN 1 1054 705 349 760    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 79 1100 AM  
AVERAGE 90  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1961  
MINIMUM TEMPERATURE (F) 59 43 1875  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 11 2018.....SUNRISE 620 AM EDT SUNSET 701 PM EDT  
SEPTEMBER 12 2018.....SUNRISE 621 AM EDT SUNSET 659 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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