condition	mean	min	max
4 h after light	16.2	16.2	16.2
8 h after light	13.4	2.8	24.0
12 h after light	5.2	2.7	7.7
4 h after dark	13.5	8.6	18.4
8 h after dark	26.85	10.8	42.9
12 h after dark	5.15	4.7	5.6