That will clear any cool water from the supply line so the dishwater starts with water at its maximum available temperature.
2.
The exceptionally warm El Ni�o year of 1998 was an outlier from the continuing temperature trend, and so subsequent annual temperatures gave the appearance of a hiatus : by January 2006, it appeared to some that global warming had stopped or paused . the available temperature readings at the Earth's surface indicate slower rates of increase in surface warming than in the prior decade.