condition	mean	min	max
4 h after light	4.0	4.0	4.0
8 h after light	31.15	26.3	36.0
12 h after light	16.15	2.0	30.3
4 h after dark	6.85	3.1	10.6
8 h after dark	4.4	3.9	4.9
12 h after dark	5.6	3.4	7.8