Anhui Province is an important comprehensive industrial base, a national comprehensive transportation hub, a regional central city, a member of Hefei Metropolitan Area, an experimental zone for independent innovation and comprehensive reform of Hefei, Wuhu and Bengbu, and a pilot zone for free trade in China (Anhui).
According to historical records, Bengbu is a place where pearls were collected in ancient times, so it is called "Pearl City", "Land of Yu Hui Princes" and "Pearl on Huaishang". 1 947 65438+1October1,Bengbu was officially established as the first city in Anhui Province. Bengbu is one of the birthplaces of Huaihe culture. Descriptive symbols unearthed from Shuangdun cultural site 7300 years ago are considered as one of the important origins of China characters.
climate
Bengbu belongs to the transitional zone between the north subtropical humid monsoon climate zone and the south temperate semi-humid monsoon climate zone, and has the characteristics of two climatic zones. The monsoon is remarkable, the four seasons are distinct, the climate is mild, the rainfall is moderate, the sunshine is sufficient, and the frost-free period is long. However, because it is located in the mid-latitude, cold and warm air masses frequently meet, change greatly and the precipitation is concentrated, so droughts and floods often occur, which has a certain impact on agricultural production. Bengbu city is abundant in sunshine and radiant heat, which can meet the needs of double cropping of crops a year.
The sunshine hours in the whole year are 4,429.2 hours calculated by the Observatory, and can reach 4,440.6438+0 hours in leap years. However, due to factors such as rain and fog, the actual annual sunshine hours are only 2 167.5 hours on average, and the sunshine rate is 49%. The actual sunshine time varies greatly from year to year. According to historical meteorological data, 1956 has the most sunshine hours, reaching 246 1.5 hours; 1985 has the least sunshine hours, only 17538+0 hours.
The annual and monthly temperature changes in Bengbu have certain periodicity. The annual average temperature 15. 1℃ is higher than that in Huaibei and western Anhui. The annual variation of temperature is the lowest in June at 5438+ 10, and the average temperature is1℃. The highest in July, with an average temperature of 28.65438 0℃. The annual temperature difference is 27.65438 0℃.