Which city in Hebei Province now has the largest temperature difference between day and night?

Shijiazhuang

Shijiazhuang is located in the central and southern part of Hebei Province, in the Bohai Bay Economic Zone. It is located between 37°27′～38°47′ north latitude (error ±1′) and 113°30′～115°20′ east longitude (error ±1′). It borders Hengshui to the east, Xingtai to the south and Shanxi to the west. It is a neighbor and is bounded by Baoding in the north. The longest point from north to south is about 148.018 kilometers, the widest point from east to west is about 175.383 kilometers (the above data is provided by the Municipal Planning Bureau), and the perimeter is 760 kilometers long.

The total area under its jurisdiction is 15,848 square kilometers, of which the urban area is 307 square kilometers (including Jingxing Mining Area). The emerging city of Shijiazhuang City is the capital of Hebei Province, southwest of the capital Beijing, 283 kilometers away from Beijing. It borders the capital Beijing and the port city of Tianjin to the north, the Bohai Sea and the North China Oilfield to the east, the towering Taihang Mountains to the west and is adjacent to Shanxi Province, the national coal base. It was known as the "Land of the Capital Territory" in ancient times and is known as the "North-South thoroughfare, the throat of Yan-Jin". The location is very advantageous.

Shijiazhuang City is located on the eastern edge of the mid-latitude Eurasian continent and has a warm temperate continental monsoon climate. The seasonal changes in solar radiation are significant, the high and low pressure activities on the ground are frequent, the four seasons are distinct, the cold and hot are very different, the rainfall is concentrated, the dry and wet periods are obvious, the summer and winter are long, and the spring and autumn are short. Spring is about 55 days long, summer is about 105 days long, autumn is about 60 days long, and winter is about 145 days long. The climate in spring is dry with little precipitation, and there are often northerly or southerly winds of level 5 or 6. The temperature rises quickly in April; in summer, affected by the ocean's warm and humid airflow, the precipitation in June, July and August accounts for 63%-70% of the annual precipitation; in autumn, affected by the Mongolian high pressure, the weather is sunny with little rain, the temperature is moderate, and the climate Pleasant, there are frequent northeasterly winds in late autumn, and cold wave weather occurs; in winter, affected by the cold high pressure in Siberia, northwest winds prevail, resulting in a cold and dry climate, with clear weather, few clouds, and little precipitation.

Shijiazhuang City has a total area of ??15,848 square kilometers and a total population of 8.75 million, of which the urban area is 307 square kilometers and the population is 1.61 million. Shijiazhuang City spans two major landform units, the Taihang Mountains and the North China Plain. The western part is located in the middle section of the Taihang Mountains, including Jingxing County, the entire Jingxing Mining Area, and the mountainous parts of six counties (cities) including Pingshan, Zanhuang, Xingtang, Lingshou, Luquan, and Yuanshi, accounting for approximately 50% of the city's total area. The east is the Hutuo River alluvial plain, including Xinle, Wuji, Shenze, Xinji, Jinzhou, Gaocheng, Gaoyi, Zhaoxian, Luancheng, Zhengding, all urban and suburban areas of Shijiazhuang, as well as Pingshan, Zanhuang, The plain part of the six counties (cities) of Xingtang, Lingshou, Luquan and Yuanshi. The slope from Pingshan in the west to Shijiazhuang urban area is 1/1400-1/1200, and the slope from Shijiazhuang to Xinji in the east is 1/1200-1/1400. The geological structure within the jurisdiction belongs to the border zone between the Shanxi Platform and the Bohai Depression. The terrain is low in the east and high in the west, with a large gap and complex landforms. The Taihang Mountains in the west have an altitude of about 1,000 meters, with overlapping mountains and towering terrain. To the east of the Beijing-Guangzhou Railway is part of the North China Plain. The landforms are arranged from west to east into middle mountains, low mountains, hills, basins and plains. Tuoliang, the highest peak in Pingshan, is 2,281 meters above sea level. It is the fifth peak in Hebei Province and the commanding height of Shijiazhuang. The eastern plain belongs to the Taihang Mountains piedmont alluvial plain according to its origin. The altitude is generally 30-100 meters. The altitude of Beipang Village in Xinji City is 28 meters, which is the lowest point in the jurisdiction. (The following data are provided by the Municipal Planning Bureau) The terrain within the urban second ring road is high in the northwest and low in the southeast. The altitude is 81.5 meters in the northwest corner and 64.3 meters in the southeast corner.

Shijiazhuang City is rich in natural resources such as agriculture, forestry, animal husbandry, and minerals. There are currently 501,000 hectares of cultivated land, with many varieties of crops and a large area. It is the main grain and cotton production area in Hebei Province and is rich in dried and fresh fruits. The western mountainous area is rich in mineral resources. Limestone, Dali, granite, dolomite, mica, quartz sand and iron ore are the seven main minerals. The reserves are large, the grade is high, the facets are concentrated, and the system is complete. It has the advantage of building a large-scale building materials base. condition.

Shijiazhuang City is also very rich in tourism resources, including beautiful natural scenery and precious cultural relics. Among them, there are national-level scenic spots Zhangshiyan, Cangyan Mountain, Xibaipo-Tiangui Mountain; Zhengding, a national historical and cultural city; there are 18 national key cultural relics protection units represented by Zhaozhou Bridge, the originator of bridges in the world; Xibaipo, the cradle of New China; Wuyue Village, a national forest park; and one of the top ten trade markets in the country. There are a large number of unique tourist resources and attractions such as Nansantiao and Xinhua Trade City. At present, four series of tourism characteristic products have been formed: red tourism, green tourism, ancient culture tourism, and new urban tourism. The city now has more than 50 large-scale scenic spots (spots) open to the outside world, including 6 national 4A-level scenic spots, There are 3 3A-level scenic spots and 2 national 2A-level scenic spots.