condition	mean	min	max
4 h after light	22.766478499999998	20.639315	24.893642
8 h after light	20.3284175	16.769861	23.886974
12 h after light	17.96374	15.820523	20.106957
4 h after dark	19.189569	18.690602	19.688536
8 h after dark	15.907723	11.81423	20.001216
12 h after dark	32.776905	32.776905	32.776905