Climate of Bihar in the south China sea. The maximum frequency of the tropical cyclones in Bihar is during September–November especially during the asterism called hathiya. These cyclones are essential for the maturing of paddy, and are required for the moistening of the soil for the cultivation of rabi crops. Bihar is India's most flood-prone State, with 76% of the population in the north Bihar living under the recurring threat of flood devastation. According to some historical data, 16.5% of the total flood affected area in India is located in Bihar while 22.1% of the flood affected population in India lives in Bihar.
United Provinces of Agra and Oudh eastern; other boundaries are artificial. According to the District surveys the areas of the two Provinces are, in square miles: Agra, 83,198; Oudh, 23,966; total, 107,164.9044 Including some river-beds which form District boundaries and are excluded from the District details,041 the total area amounts to . The area of the two Native States in the Provinces (Rampur and Tehri) is more. A Presidency of Agra was first formed in 1834, up to which date the area then separated had been included in the Presidency of Bengal, being sometimes called the Western Provinces. The United Provinces included four distinct tracts of