Australia, Texas. In common: lots of sun, no snow. Here in Iowa we have different issues. E.g. we're at 42' North lattitude. So we want at least that much tilt

Australia, Texas. In common: lots of sun, no snow. Here in Iowa we have different issues. E.g. we're at 42' North lattitude. So we want at least that much tilt to get (any) good sun exposure.