The water level in Idukki dam on July 8 was 2,340.4 ft. It was 2,329.14 ft on the same date last year. An official at the Dam Monitoring Cell, Cheruthoni, said that there was a decline in rainfall recorded in the past 24 hours in the catchment area. It was recorded at 2 mm., he said and added that, however, there was an increase in the flow of water through the main tributary of the Periyar.