A drip a second from a leaky faucet sends five gallons of water down the drain in a day. An hour could be measured as 3,364 drips or about 3 3/4 cups of water.
According to the US Geological Survey, a typical drip is between 1/5 and 1/3 of one milliliter. Using 1/4 of a milliliter as an average, the USGS estimates that roughly 15,140 drips from a faucet equals one gallon of water.
In the end, it’s probably easier (and cheaper) to just set the clock ahead for Daylight Savings Time this Sunday.