Minimum temperature of Genhe River

The lowest temperature of the root river can reach -5 1.5 с.

Genhe city's climate belongs to the humid forest climate of cold temperate zone, which has some characteristics of continental monsoon climate. It is characterized by cold and humidity, long winter and short summer, and spring and autumn are connected, with an average frost-free period of 90 days. The annual average temperature is -5.3℃, 1 month average temperature is close to -30℃, the extreme minimum temperature recorded by county-level weather stations is -5 1.5 с, the extreme low temperature recorded by weather stations is -58℃, and the average temperature in July is 18 ~ 20℃, but it has also appeared 30℃.

The annual temperature is 47.4℃, the daily range is 20℃, and the freezing period is more than 2 10 days. Frozen soil is spread all over the country, and frozen soil in some areas is below 30 cm. Genhe city is not the northernmost county in China, but its altitude is higher than Mohe, so its temperature is lower than Mohe, the "Arctic of China".

Hydrological characteristics of genhe city.

There are many rivers in genhe city, criss-crossing, and the hydrogeology belongs to Heilongjiang River Basin. There are 37 rivers with a river length of more than 20 kilometers and a basin area of 100 square kilometers, including 2 secondary tributaries, 23 tertiary tributaries and 4 tertiary tributaries 12. There are two large rivers with a basin area greater than 1 10,000 square kilometers.

There are 2 medium-sized rivers with a drainage area of 1000 ~ 5,000 square kilometers, and the rest are small rivers with a drainage area of1000 square kilometers. The territory has undulating terrain, strong water erosion, many river valleys and developed river network, and lacks natural conditions for forming lakes. There are only 1 lake with an area greater than 0. 1 square kilometer.