condition	mean	min	max
4 h after light	16.262842	15.495701	17.029983
8 h after light	17.621895000000002	16.469296	18.774494
12 h after light	16.356409	16.085423	16.627395
4 h after dark	12.859331000000001	12.086692	13.63197
8 h after dark	13.303519999999999	10.710809	15.896231
12 h after dark	15.572972	15.572972	15.572972