I don't know if stats mean anything, but they suggest Houston has been a better program over the last decade than Wazzou or Oregon State. They are in a better recruiting ground, bigger market, and have done this in what could be argued is a more difficult conference over the last 5 years.

Houston
Wins:65
Losses:45
Win Percentage 59%
Bowl Appearances: 7
NY6 Bowls: 1 (2015 Peach Bowl)

Washington State
Wins:56
Losses:50
Win Percentage 53%
Bowl Appearances: 7
NY6 Bowls: 0

Oregon State
Wins:37
Losses:68
Win Percentage 35%
Bowl Appearances: 3
NY6 Bowls: 0