yucheng county is located in the middle latitude and belongs to the semi-humid semi-arid continental monsoon climate in the eastern warm temperate zone with four distinct seasons. the climate change is remarkable, the spring is warm and windy, the summer is hot and rainy, the autumn is cool and warm, and the winter is cold and dry. the annual average wind speed is 3.1m/s, the annual average temperature is 14.1 °c, and the average annual precipitation is 726.5mm.