What is the precipitation in Chongqing in July?

Ten-day report of agricultural meteorology in Chongqing in early July 2009 1. General situation of the weather in this ten-day period: the average temperature in most parts of Northeast China is slightly higher than normal, while that in other areas is lower; Less rainfall; There is less sunshine. From 2 to 3 days, there was little to moderate rain in most areas of our city and heavy rain in some areas; 4 ~ 7 days, some areas have uneven distribution of small to moderate rain; On September 9 ~ 10, there was little to moderate rain all over the country, and there was heavy rain to heavy rain in some parts of northeast China. The remaining ten days are sunny and cloudy. 1. Temperature: slightly higher in most parts of Northeast China and lower in other areas. In the past ten years, the average temperature has been 23.5 ~ 28.5℃, among which the temperature in Dazu, Rongchang, Nanchuan, Chengkou, Youyang, Shizhu and Qianjiang in the southeast is less than 25.0℃, and the temperature in most parts of the northeast is over 26.5℃. Compared with the normal period, the temperature in most parts of Northeast China is 0.8℃ higher than normal period, and it is 0.8 ~ 1.7℃ lower in most other parts. The extreme maximum temperature in ten days is 36.4℃ (Yunyang, No.9), and the extreme minimum temperature in ten days is 15.8℃ (Chengkou, No.2). 2. Precipitation: The precipitation in various places in this decade is 0. 1 ~ 126.7mm, which is unevenly distributed. The precipitation in most parts of the city is less than 30mm, and the precipitation in half districts and counties is less than 1 0mm. Compared with the same period of the year, the precipitation in other areas is less than 20% ~ 90% except that the precipitation at the entrance of the city is more than1times (see attached figure for details). The number of ten-day precipitation days is 1 ~ 6 days. On July 9, heavy rain fell in Yunyang and Kaixian, with rainfall of 52. 1mm and 64.0mm respectively. On June 5438+00, there was a rainstorm at the entrance of the city, and the rainfall was/kloc-0 135.9mm..3. Sunshine: The sunshine hours in all parts of the city were 9-44 hours less, which was 20-70% less than normal. Ten-day sunshine percentage is 6 ~ 3 1%. Second, the impact of the weather on agriculture in this ten-day period As of the end of this ten-day, the corn in our city is in the milky stage, the middle rice is in the flowering stage from booting stage to heading stage, and the sweet potato is in the potato spreading stage. In the early and middle days, the central, western and southeastern parts of our city showed rainy weather characteristics, which was unfavorable to the booting stage, heading stage, flowering stage of mid-season rice and the photosynthetic growth of local crops. At the same time, the rapid spread of pests and diseases is not conducive to prevention and control, and some districts and counties have high meteorological grades of pests and diseases. Plenty of sunshine in most areas in the middle and late ten days is beneficial to the normal growth and development of Da Chun, flue-cured tobacco and Xia Guo and the formation of good quality. On June 5438+00, the rainstorm in Chengkou caused mudslides and landslides in some towns and villages, and some houses and farmland were damaged. Ten-day report of agricultural meteorology in Chongqing in mid-July 2009 1. General situation of the city's weather in this ten-day period: the average temperature is obviously high; The rainfall is obviously less; Most of the sunshine is too much. 1 1 ~ 13. There is little to moderate rain in most areas of our city, heavy rain in some areas and heavy rain at the entrance of the city. From 13, sunny and hot weather began to appear in all parts of our city, and the daily maximum temperature in some areas exceeded 40℃. 1. Temperature: obviously high. The average temperature in Chengkou, Youyang, Wuxi, Dazu and Shizhu is 25.5 ~ 28.6℃, while that in other areas is 29.3 ~ 365,438 0.8℃. Compared with the same period of normal years, it is generally higher in all places 1.5 ~ 3.7℃. From 13, sunny and hot weather began to appear in all parts of our city, and the daily maximum temperature in most areas was above 35℃. 18 ~ 19, the daily maximum temperature in Beibei, Jiangjin, Banan, Shapingba, Qijiang, Wansheng, Wulong, Fengdu, Wanzhou, Kaixian and Pengshui exceeds 40℃. The ten-day extreme maximum temperature is 4 1.5℃ (Wansheng, 19), and the ten-day extreme minimum temperature is 19.3℃ (Chengkou, 13). 2. Precipitation: it is obviously less than 0 ~ 192mm, and the precipitation in most areas is less than 20mm, and there is almost no precipitation in Changshou, Nanchuan and Fengdu in the central and western regions. Compared with the same period of normal years, the mouth of the city is more 1 times, Dazu, Rongchang and Tongliang are close to normal years, and the rest areas are less than 50% ~ 1 times (see attached figure for details). During these ten days, there were five heavy rains; The number of days of precipitation at the entrance of the city is 4 days, and it is 0 ~ 3 days in other areas. 3. Sunshine: In this decade, the sunshine hours in most parts of the city are 60 ~ 87 hours, which is more than the normal period 1 ~ 60%. The sunshine percentage in ten days is 43 ~ 62%. Second, the impact of the weather on agriculture in this ten-day period As of the end of this ten-day, the corn in our city is in the milky stage, the middle rice is in the heading and flowering stage, and the sweet potato is in the potato spreading and stretching stage. In the first half of the year, heavy rains fell in Chengkou, Wanzhou, Wuxi, Kaixian and Youyang in the east of our city, causing secondary disasters such as flash floods and serious agricultural losses. From 13, sunny, hot and high temperature weather continued in most areas of our city, which was not conducive to heading and flowering of mid-season rice and maturity of corn filling in high-altitude mountainous areas, and drought occurred in some sloping wasteland. Reference: /ecms/