PWTorch.com has a breakdown of the last three episodes of Raw broken down hour by hour, which you can see below:

April 30th Hour One: 4.99 million viewers

April 30th Hour Two: 4.77 million viewers

May 7th Hour One: 4.43 million viewers

May 7th Hour Two: 4.19 million viewers

May 14th Hour One: 4.09 million viewers

May 14th Hour Two: 4.32 million viewers