condition	mean	min	max
4 h after light	13.2	13.2	13.2
8 h after light	14.75	13.3	16.2
12 h after light	14.15	12.9	15.4
4 h after dark	15.0	8.9	21.1
8 h after dark	50.25	22.2	78.3
12 h after dark	34.9	11.7	58.1