condition	mean	min	max
4 h after light	2.7	2.7	2.7
8 h after light	5.75	2.6	8.9
12 h after light	16.95	4.0	29.9
4 h after dark	20.700000000000003	6.2	35.2
8 h after dark	6.0	4.1	7.9
12 h after dark	5.65	5.1	6.2