condition	mean	min	max
4 h after light	7.3029955	7.108697	7.497294
8 h after light	7.0643775	7.020058	7.108697
12 h after light	7.131764	6.73981	7.523718
4 h after dark	6.8039205	6.719943	6.887898
8 h after dark	6.6993155	6.677474	6.721157
12 h after dark	6.98129	6.98129	6.98129