condition	mean	min	max
4 h after light	12.0	12.0	12.0
8 h after light	20.5	18.0	23.0
12 h after light	13.5	11.9	15.1
4 h after dark	26.700000000000003	24.3	29.1
8 h after dark	17.75	11.2	24.3
12 h after dark	14.25	6.3	22.2