Deyang is in that terrain.
When the seasons alternate, the hot and cold air activities are frequent and intense, forming a monsoon dominated by the northeast. The annual average wind speed is 1.5m/s, and the instantaneous maximum wind speed is14.3m/s. The frost-free period lasts for 276 days. The main climatic disasters that occur all the year round include low temperature freezing injury, drought, flood, strong wind, hail, autumn frost, cold wave and so on. The low-temperature freezing weather mainly occurs from late March to early April, with a frequency of 70%. Spring drought, summer drought, summer drought and winter drought often occur. The frequency of spring drought is 40% from the beginning of March to the end of April, and the frequency of summer drought from late April to early July is 86%. The frequency of summer drought is 6 1% from the end of June to the beginning of September, and the frequency of winter drought is 40% from February to1October of the following year. The frequency of floods in summer and autumn is 50%, with an average of 0.75 times a year. Strong winds above magnitude 6 occur 0.86 times a year on average, and hail disasters occur 0.8 times a year on average. September to 165438+ 10 is the prone period in Qiu Lin, with an average of 1.89 times a year, and from February to February of the following year, with an average of 1.52 times a year.
The main features of climate are: distinct seasons and mild climate; There is abundant precipitation, no coolness in summer and no severe cold in winter. Annual average temperature 16. 1 degree, frost-free period 27 1 day, annual precipitation 893mm, sunshine 125 1.5 hours. The main disastrous weather is chilling injury, drought, flood, hail and autumn rain.