condition	mean	min	max
4 h after light	24.6	24.6	24.6
8 h after light	7.95	1.9	14.0
12 h after light	22.15	6.0	38.3
4 h after dark	16.75	10.1	23.4
8 h after dark	17.1	16.2	18.0
12 h after dark	10.15	3.7	16.6