President Obama has a positive rating for an entire tracking period in Rasmussen Reports’ daily presidential approval rating, pushing above 50 percent for three straight days: 50 - 48 on Sunday, 51 - 48 on Monday, and 50 - 49 Tuesday. The Ras tracking poll reflects an average of the three previous days, meaning that Obama has been in positive territory over the life of a tracking poll for the first time since early May. 

Here’s the TPM Poll Average, which uses a regression analysis to show the trend, with just Rasmussen numbers.