condition	mean	min	max
4 h after light	19.1	19.1	19.1
8 h after light	28.75	16.9	40.6
12 h after light	43.9	30.2	57.6
4 h after dark	26.35	18.6	34.1
8 h after dark	20.85	16.4	25.3
12 h after dark	19.2	1.6	36.8