Climatic characteristics of Laozhou town

Laozhou Town belongs to the first accumulated temperature zone in Heilongjiang Province, and belongs to the continental monsoon climate of cold temperate zone, which is characterized by long winter, cold and dry; Summer is hot and rainfall is concentrated; It is windy and rainy in spring; Autumn is cool and sunny. The annual average temperature in this town is 3. 1℃, the annual average active accumulated temperature is 2770℃, the effective accumulated temperature in the growing period of crops is about 1900℃, and the annual average sunshine hours are 2788 hours. Frost-free period 1 16- 155 days, with an average annual precipitation of 477mm.