condition	mean	min	max
4 h after light	1.55286	1.02426	2.08146
8 h after light	1.43476	1.18483	1.68469
12 h after light	1.497105	1.47142	1.52279
4 h after dark	1.0425033333333333	0.0	1.87091
8 h after dark	1.230491	0.961673	1.51268
12 h after dark	1.2139333333333333	0.0	2.01036