Comparison of climate between Shenyang and Yili

Shenyang: It has a temperate and semi-humid continental climate with an average annual temperature of 6.2 ~ 9.7℃. Since 195 1 has a complete record, the extreme highest temperature in Shenyang is 38.3℃, the extreme lowest temperature in the central city is -32.9℃, and the lowest temperature in the suburbs is -35.4℃ in recent years. Shenyang has experienced high temperature of 39.3℃ and low temperature of -33. 1℃ before. The annual precipitation in Shenyang is 600 ~ 800 mm, 195 1 ~ 20 10, the average annual precipitation in urban areas is 7 16.2 mm, and the annual frost-free period is 155 ~ 180 days. Affected by monsoon, precipitation is concentrated in summer, with large temperature difference and distinct four seasons. The winter cold lasts for a long time, and there is less snowfall in the past six months. The biggest snowfall was a 47.0mm blizzard on March 4th, 2007. It is short and rainy in summer, with 2 1, 1973 rainstorm 2 15.5mm on August. In spring and autumn, the temperature changes quickly and lasts for a short time: it is windy in spring and sunny in autumn.

Ili Prefecture: The extreme maximum temperature is 42.8℃, and the extreme minimum temperature is -5 1.0℃, in which the annual average temperature in Ili Valley is 10.4℃, 8.7℃ in Tacheng area and 5.8℃ in Altay area. Annual average precipitation: 465,438+07.6 mm in Yili Valley, about 600 mm in mountainous area; Tacheng basin is 342.7 mm, and the mountainous area is about 400 mm; Altay mountain area 202.6 mm; The rest area is 100-200mm. Annual average sunshine hours: 2898.4 hours in Yili Valley; Tacheng area 27 14.7 hours; Altay region 2976.8 hours.

Climate: it is the long-term average state of atmospheric physical characteristics, which is different from temperature and has stability. For example, the east of China is muggy and humid in July: there is freezing weather (ice and snow) in June, 438+ 10 and February in the north; Northwest China has a dry climate and a large temperature difference between day and night, and so on. The science of studying climate is climatology. Time scales are months, seasons, years, years to hundreds of years. Climate is measured by the characteristics of cold, warm, dry and wet, and is usually characterized by the average value and deviation value of a certain period.