condition	mean	min	max
0 h after light	9.401990000000001	9.07779	9.72619
4 h after light	13.075849999999999	12.9945	13.1572
8 h after light	20.32335	19.5711	21.0756
4 h after dark	19.00875	16.9921	21.0254
8 h after dark	14.17075	13.114	15.2275
12 h after dark	10.083134999999999	9.23527	10.931