Chennai records 56 per cent above normal rainfall, but little water in reservoirs – India Chennai has recorded 56 per cent above normal rainfall since June 1, with 247.5 millimetres rainfall from June 1 to July 27. Despite the good rains, Chennaiâs reservoirs â Poondi, Cholavaram, Redhills and Chembarakkam â have not seen any significant improvement in water levels. The combined storage at the four reservoirs stood at 16 Mcft against 1,734 Mcft last year. (LINK). Chennai records 56 per cent above normal rainfall, but little water in reservoirs – IndiaHIWI042019-07-29T15:04:13+02:00