condition	mean	min	max
0 h after light	16.407449999999997	14.7838	18.0311
4 h after light	18.96725	16.5193	21.4152
8 h after light	17.9084	15.9214	19.8954
4 h after dark	21.37455	21.2813	21.4678
8 h after dark	25.2138	23.7461	26.6815
12 h after dark	18.654600000000002	16.2426	21.0666