stylistic:style_transfer, stylistic:tone
Geography

Bihar covers a total area of 94,163 km (36,357 sq mi), with an average elevation above sea level of 173 feet (53 m). It is land locked by Nepal in the north, Jharkhand in the south West Bengal in the east and Uttar Pradesh to the west. It has three parts on the basis of physical and structural conditions: the Southern Plateau, the Shivalik Region, and Bihar's Gangetic Plain. Furthermore, the vast stretch of the fertile Bihar Plain is divided by the Ganges River into two unequal parts – North Bihar and South Bihar. The Ganges flows west–east and, along with its tributaries, regularly floods parts of the Bihar plain. The main northern tributaries are the Gandak and Koshi, which originate in the Nepalese Himalayas, and the Bagmati, which originates in the Kathmandu Valley. Other tributaries are the Son, Budhi Gandak, Chandan, Orhani and Phalgu. Bihar has some small hills, such as the Rajgir hills in center, Kaimur Range in south-west and Shivalik Range in North. Bihar has a forest area of 6,764.14 km, which is 7.1 per cent of its geographical area. The sub-Himalayan foothills of Shivalik ranges, primary Someshwar and Dun mountain, in West Champaran district are clad in a belt of moist deciduous forest. As well as trees, this consists of brush, grasses and reeds.

Bihar lies completely in the Subtropical region of the Temperate Zone, and its climatic type is humid subtropical. Its temperature is subtropical in general, with hot summers and cold winters. Bihar has an average daily high temperature of only 26 °C with a yearly average of 26 °C. The climate is very warm, but has only a very few tropical and humid months. Several months of the year it is warm to hot at temperatures continuously above 25 °C, sometimes up to 29 °C. Due to less rain the best time for travelling is from October to April. The most rainy days occur from May to September.