Rainfall data of the seven days from August 10 to 16 illustrate how acute the situation is. There has been a deficit of 94 per cent during that period, as rainfall recorded was a mere 6.5 mm compared to normal rainfall of 109.6 mm. Idukki, where Kerala's biggest hydroelectric power project is located, has recorded the lowest rainfall this season up to August 16, with a deficit of 60 per cent.