condition	mean	min	max
4 h after light	38.4	38.4	38.4
8 h after light	16.75	3.6	29.9
12 h after light	39.25	32.9	45.6
4 h after dark	16.75	8.1	25.4
8 h after dark	39.85	18.5	61.2
12 h after dark	26.5	12.9	40.1