condition	mean	min	max
4 h after light	2.0414849999999998	1.70202	2.38095
8 h after light	1.312885	1.19455	1.43122
12 h after light	1.116432	0.940884	1.29198
4 h after dark	2.705485	2.13392	3.27705
8 h after dark	2.35438	2.0457	2.66306
12 h after dark	2.28177	2.22579	2.33775