condition	mean	min	max
4 h after light	9.6	9.6	9.6
8 h after light	18.75	5.1	32.4
12 h after light	21.15	20.1	22.2
4 h after dark	25.6	25.4	25.8
8 h after dark	18.5	5.4	31.6
12 h after dark	21.5	14.9	28.1