Investigate the change of day and night length and climate characteristics in Zhaoqing area, and illustrate the influence of climate on our daily life with examples, and write a survey report.

[ Edit this paragraph] Climate resources Zhaoqing belongs to the south subtropical monsoon climate. The annual average temperature is 21.2℃, the average temperature in January is 12℃, and the average temperature in July is 28.7℃. Frost can be seen in winter in the northern mountainous area of Huaiji County. The average annual rainfall is about 165 mm, mainly from April to September; The annual evaporation is more than 13mm. The frost-free period is 31 ~ 345 days. It is rainy in early spring, affected by typhoon in summer and autumn, and attacked by cold dew wind in late autumn.

in p>26, the average temperature in the city was high, the total rainfall was high, and the sunshine hours were generally low. The annual average temperature is 21.6 ~ 23.1℃, which is .7 ~ 1.℃ higher than normal. The annual accumulated temperature is 7911 ~ 8425℃, which is 36 ~ 411℃ higher, which is the second warmest year after the founding of the People's Republic of China. The annual rainfall is 174~2152 mm, which is generally between normal and more than 2%, making it the most rainy year since 22. The number of annual rainstorm days is 5~1 days, which is the second most rainy year since 1997. The annual sunshine hours range from 147 to 174 hours, ranging from normal to less than 2%.

The main climatic characteristics of the year: it is warm and rainy in spring, with mild cold and rainy days, and mild late spring cold; Before and after the flood season, the rainfall is more, and the "dragon boat water" and tropical cyclone precipitation are obvious; Strong convective weather is frequent, windy weather is more, and tornadoes appear in some places. In June, continuous heavy rains in Xijiang and Suijiang River basins caused the water level in Suijiang River to exceed the warning. Three typhoons from July to August caused serious disasters; July is extremely hot, and the highest temperature is close to the historical extreme; It is cool in autumn in August and the temperature is low; There is little rain in autumn and winter, the temperature is high, and "beginning of winter" is as warm as spring; In November, rare thunderstorms and hailstorms occurred in late autumn; The "winter solstice" is sunny, cold and dry, and the low temperature frost is obvious in the northern region. During the year, meteorological disasters such as rainstorm, flood, high temperature, strong convection and cold damage occurred all over the city.