 The Gallup daily tracking poll showed Obama's lead over Clinton in the same group peaking at 51 to 40 percent on April 14 (results based on interviews April 11–13), then closing, and on April 19 (results based on interviews April 16–18) Clinton gained a lead of 46 to 45 percent, the first time Obama had not led since March 18–20.The next day Obama showed a lead of 47 to 45 percent over Clinton.The next day the Obama lead over Clinton increased to 49 percent over 42 percent.