condition	mean	min	max
4 h after light	14.413419999999999	12.861317	15.965523
8 h after light	14.477305	13.693273	15.261337
12 h after light	14.452706	13.298452	15.60696
4 h after dark	13.805513999999999	13.253737	14.357291
8 h after dark	12.310206	12.164764	12.455648
12 h after dark	20.432157	20.432157	20.432157