condition	mean	min	max
4 h after light	13.8	13.8	13.8
8 h after light	5.0	1.1	8.9
12 h after light	21.05	14.1	28.0
4 h after dark	2.05	1.5	2.6
8 h after dark	18.4	12.6	24.2
12 h after dark	25.0	6.5	43.5