A spell of rain dropped mercury across the city while the met office has predicted further rains ahead. According to the met office, the mercury is likely to drop 20 degree centigrade to the minimum and 35 degree centigrade to the maximum during next 24 hours. The met office has forecast thick clouds around the city, saying that 51 percent of the sky would be covered with clouds. They said more rain is expected today (Wednesday). It may be noted that the met office had predicted rains throughout the current week.