condition	mean	min	max
0 h after light	2.56514	2.22831	2.90197
4 h after light	1.53156	1.30553	1.75759
8 h after light	1.4269150000000002	1.32274	1.53109
4 h after dark	1.89167	1.69607	2.08727
8 h after dark	1.79098	1.70082	1.88114
12 h after dark	1.9797600000000002	1.89152	2.068