The average annual rainfall is  in some parts of country according to availability of rain gauge, and most of it comes during Gu and Dayr. GU, which is the first, or major, rainy season (late March, April, May, and early June), experiences the heaviest rainfall in Ogo range and Hawd. This constitutes the period of fresh grazing and abundant surface water. It is also the breeding season for livestock. Hagaa (from late June through August) is usually dry although there are often some scattered showers in the Ogo range, these are known as Karan rains. Hagaa tends to be hot and windy in most parts of the country. Deyr (September, October, and early November), which roughly corresponds to autumn, is the second, or minor, wet season; the amount of precipitation is generally less than that of Gu. Jilaal, or winter, falls in the coolest and driest months of the year (from late November to early March). It is a season of thirst. Hawd receive virtually no rainfall in winter. The rainfall in the Guban zone, known as "Hays", comes from December to February. The humidity of the country varies from 63% in the dry season to 82% in the wet season.