humidity is a value expressed as a percentage (0 % – 100 %), and according to the definition it is the amount of water vapour present in a specific volume expressed as a percentage of the amount needed for saturation at the same temperature, õhu niiskus, mida väljendatakse protsendina (0 % – 100 %), on määratluse kohaselt see konkreetses mahus oleva veeauru kogus, väljendatuna protsendina kogusest, mis on vajalik küllastumiseks samal temperatuuril