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For example, suppose that your meter reads 13478on Monday morning and 13488 on Tuesday morning.

This means that your home consumed:
  13488
-13478

                              10 kilowatt-hours
during the 24-hour period from Monday morning to Tuesday morning. You can perform similiar comparisons for a month, or a week, or even a year.
 

HOW TO READ YOUR GAS METER

Once you can read your electric meter, you canalso read your gas meter . . . the dials are organized much the same way.Note that the smallest quantity of gas measured by most gas meters is 100 cubic feet. The markings on the rightmost dial each represent 100 cubic-feet; thus, the rightmost needle goes around once for every 1000 cubic-feet of gas consumed.Your gas meter, too, is a total — or cumulative — reading instrument. And so, to measure gas consumption during a given time period you must compare readings taken at the beginning and end of the period. For example, if your meter reads 4786 on one Sunday morning, and 4846 the following Sunday morning, you have consumed: