Current climatic reasons in Liaoning Province

Liaoning province is located in the east coast and mid-latitude of Eurasia, and belongs to the temperate continental monsoon climate zone. It is rainy and hot in the same season, with abundant sunshine, high accumulated temperature, warm in winter and long in summer, short in spring and autumn and distinct in four seasons. Uneven rainfall, wet in the east and dry in the west. The total annual sunshine radiation in the province is between 100-200 calories/cm2, and the annual sunshine hours are 2 100-2600 hours. There is insufficient sunshine in most areas in spring; Insufficient in early summer and more in late summer; There are many areas in autumn; There is obviously insufficient light in winter. The annual average temperature is between 7- 1 1℃, the highest temperature is above zero 30℃, the extreme highest temperature is above 40℃, and the lowest temperature is below zero 30℃. Affected by the monsoon climate, there are great differences in different places, decreasing from southwest to northeast and from plain to mountainous area. The average annual frost-free period is 130-200 days, and the average frost-free period is above 150 days, which gradually increases from northwest to southeast. Liaoning Province is the province with the most precipitation in Northeast China, with the annual precipitation between 600- 1 100 mm. The annual precipitation in the eastern mountainous and hilly areas is above 1 100 mm; The mountainous and hilly region in the west is connected with the Inner Mongolia Plateau, with an annual precipitation of about 400 mm, which is the region with the least precipitation in the province. The precipitation in the central plain is moderate, with an annual average of about 600 mm.