condition	mean	min	max
4 h after light	21.6	21.6	21.6
8 h after light	70.15	36.1	104.2
12 h after light	54.15	45.9	62.4
4 h after dark	21.2	6.1	36.3
8 h after dark	22.2	15.9	28.5
12 h after dark	16.85	1.6	32.1