What does the word humidity mean?

Usage examples for humidity

  1. He convinced them, by the coolness and humidity of the air, which they could feel in breathing it, that the river which he had spoken of was now not far off, and the calculation of the time that had been required to reach it came, he said, to the same result, for the night was almost spent. – Plutarch-Lives-of-the-noble-Grecians-and-Romans by Clough, Arthur Hugh
  2. As will be readily seen the months in spring which give the best hatches, occupy a medium place in the humidity scale. – The Dollar Hen by Milo M. Hastings