condition	mean	min	max
4 h after light	6.5	6.5	6.5
8 h after light	1.6	1.5	1.7
12 h after light	10.75	10.1	11.4
4 h after dark	23.6	16.3	30.9
8 h after dark	29.65	12.2	47.1
12 h after dark	5.15	2.4	7.9