condition	mean	min	max
4 h after light	3.580825	3.14226	4.01939
8 h after light	2.5337300000000003	2.2039	2.86356
12 h after light	1.8905850000000002	1.65195	2.12922
4 h after dark	2.137085	1.78108	2.49309
8 h after dark	2.155395	2.02323	2.28756
12 h after dark	2.380415	2.25209	2.50874