What is the temperature difference between Longnan City, Gansu Province and Heilongjiang Province?

The average annual temperature in Longnan City, Gansu Province is 2 ~ 14℃, and that in Heilongjiang Province is mostly between-5℃ and 5℃. So the temperature difference between the two places is about 7~9 degrees.

Climate in Longnan City, Gansu Province;

The climate in Longnan city is divided into three types in horizontal distribution: north subtropical zone, warm temperate zone and middle temperate zone. The northern subtropical zone includes the southern part of Kangxian, the southern part of Wudu, the eastern part of Wenxian and the shallow mountainous areas of Bailong River, Baishui River and Jialing River basins. In this area, there are two high calorific value areas in the city. One is the valleys and shallow mountainous areas along the Bailong River and Baishui River. The annual average temperature is 2 ~ 14℃ ≥ 10℃, the accumulated temperature is 4,000 ~-4,800℃, the precipitation is about 600 mm, and the cultivated land area is about 300,000 mu, accounting for 6.7% of the total land area of the city. It is a two-hot agricultural area. The other is Jialing River Basin and Huicheng Basin; Annual average temperature 10- 12℃, accumulated temperature ≥ 10℃, 3500-4000℃. The cultivated land area is about1700,000 mu, accounting for 37.8% of the total cultivated land area in the city. This is an agricultural area with three crops in two years.

Heilongjiang climate:

Heilongjiang Province is located in the east of Eurasia, the west coast of the Pacific Ocean and the northeast of China, with a temperate continental monsoon climate. Judging from the 30-year average of 196 1 ~ 1990, the annual average temperature in the whole province is mostly between -5℃ and 5℃, decreasing from south to north, with Nenjiang and Yichun as 0℃ isolines. The range of accumulated temperature ≥ 10℃ is 1800 ~ 2800℃, and the accumulated temperature decreases about 1 00℃ with the increase of latitude in plain area; For every increase of 100 m in mountainous area, the accumulated temperature decreases 100℃ ~ 170℃. The frost-free period in the whole province is between 100 ~ 150 days, and between 140 ~ 150 days in the south and east. In most areas, the first frost appears in late September, and the final frost ends from late April to early May.

The annual precipitation in the whole province is mostly between 400-650 mm, with more in the central mountainous area, followed by the east, and less in the west and north. In a year, the precipitation in the growing season accounts for about 83% ~ 94% of the total annual rainfall. Rainfall resources are relatively stable, especially in summer, with small variability, generally 2 1% ~ 35%. The annual sunshine hours in the province are mostly 2400 ~ 2800 hours, of which the sunshine hours in the growing season account for 44% ~ 48% of the total hours, with more in the west and less in the east.