What is the weather situation and precipitation probability of Jinzhong 3O?

Jinzhong city is located in the mid-latitude inland loess plateau and belongs to the continental semi-arid monsoon climate zone of warm temperate zone. The basic characteristics of the climate are: four distinct seasons throughout the year, dry and windy spring, hot and rainy summer, sunny autumn, cold and little snow in winter, short spring and autumn, long winter and summer. Due to the influence of topography, the vertical distribution of climate zone and the difference between east and west are obvious. On the whole, the heat increases from east to west, that is, the western Pingchuan is higher than the eastern mountainous area; Precipitation decreases from east to west, that is, the eastern mountainous area is more than the western Pingchuan. Precipitation is mainly concentrated in summer, forming a climate with the same season of rain and heat.

Climate zoning

According to six climate types, maturity and production characteristics of six crop varieties, the city can be divided into six climate zones.

The climate zone of Dongshan River Valley includes Songxi River Valley in Xiyang County and Qingzhang River Valley in Zuoquan County, with an altitude of 600-700 meters, which is warm and semi-arid. Rich in heat resources, the annual average temperature is 1 1℃ ~ 12℃, the annual sunshine hours are 2400 ~ 2600 hours, the water supply is sufficient, and the annual rainfall is 580 ~ 600 mm.

The Pingchuan climate zone includes the Pingchuan area in Jinzhong and the Fenhe River Valley in Lingshi, with an altitude of 700-800 meters, which is warm and dry. The annual average temperature is10.0℃ ~1.0℃, the annual sunshine hours are about 2450.0 hours, and the annual rainfall is 400 mm ~ 500 mm

The hilly climate zone includes most of Xiyang county and the central part of Yushe county, with an altitude of 800 meters to 1000 meters, which is slightly semi-arid. The annual average temperature is 8.2℃ ~ 9.9℃, the annual sunshine hours are about 2550 hours, and the annual rainfall is 510 mm ~ 570 mm.

The low mountain climate zone includes most of Shouyang, Xiyang, Zuo Quan and Yushe counties and the eastern part of Lingshi County, with an altitude of 1, 000m ~ 1, 200m, which is cool and semi-humid. The annual average temperature is 6.7℃ ~ 8.2℃, the sunshine hours are 2600 ~ 2850 hours, and the annual rainfall is 570 ~ 590 mm.

The climate zone of Zhongshan includes parts of Shouyang County and Xiyang County, most parts of heshun county, Zuoquan County and Yushe County, and a small part of eastern Pingchuan, with an altitude of 1200m ~ 1400m, and a warm, cold and humid climate. The annual average temperature is 5. 1℃ ~ 6.7℃, the annual sunshine hours are 2550 hours, and the annual rainfall is about 590 mm.

The alpine climate zone includes most parts of heshun county and parts of Xiyang County and Zuoquan County, with an altitude of 1400 m ~ 1600 m, which is cold and humid. The annual average temperature is 4. 1℃ ~ 5. 1℃, the annual sunshine hours are about 2650 hours, and the annual rainfall is 590 mm ~ 6 10 mm.

Characteristics of the four seasons

Climate characteristics in spring (March-May): It is the transition season from the north monsoon in winter to the south monsoon in summer, and the overall feature is windy and dry. The average seasonal temperature is 65438 00.8℃.

Climatic characteristics in summer (June-August): Affected by Indian Ocean depression and Pacific subtropical high, it is generally hot and rainy, with rain and heat in the same season. The average temperature in the city is 265,438 0.9℃, including 22.9℃ in Pingchuan District and 20.6℃ in the eastern mountainous area.

Autumn climate characteristics (September ~165438+1October): It is a transitional season from the southerly monsoon in summer to the northerly monsoon in winter, and the overall climate is cool. The average seasonal temperature is 9.3 degrees Celsius. There is little precipitation in summer, and the average precipitation is 9 1mm ~ 120mm, accounting for about 23% of the annual precipitation, which is more than that in spring.

Climate characteristics in winter (65438+February ~ February): cold and little snow, long nights and short days. Controlled by the cold high pressure in Mongolia, cold air with different intensity invaded in about 5 ~ 7 days, resulting in cold, dry, cold and little snow in winter. The average seasonal temperature is MINUS 4.5 degrees Celsius. It is -3.4℃ in Pingchuan District and -5.7℃ in the eastern mountainous area.