Daylight Saving Time (DST) is the practice of moving the clocks forward one hour from Standard Time for the summer months, and changing them back again in the fall. The general idea is that this allows us all to make better use of natural daylight.
By looking at the change in the Consumer Price Index we can see that an item that cost an average of 9.9 cents in 1913 would cost us about $1.82 in 2003, $2.02 in 2007, $2.33 in 2013 and $2.39 in 2016. To see an in depth view of the inflationary makeup of each decade:
The November 2006 Consumer Price Index Summary, which is published by the BLS, stated that During the first 11 months of 2006, the CPI-U rose at a 2.2% seasonally adjusted annual rate (SAAR).. Williams' estimate of CPI for the same period was 5.3%, while Ranson's reported an 8.2% estimate.