Sentence Examples with the word isotherm

Both the midwinter isotherm of Montreal and the midsummer one of Washington, D.C., pass through the state.

As a result, the isotherms of July are strongly convex poleward as they cross the United States, the isotherm of 70 Sweeping up to the northern boundary in the north-west, and the heat equator leaping to the overheated deserts of the south-west, where the July mean is over 90.