condition	mean	min	max
4 h after light	3.5536	3.11406	3.99314
8 h after light	3.7513199999999998	3.54387	3.95877
12 h after light	3.677155	3.46618	3.88813
4 h after dark	5.087295	4.74596	5.42863
8 h after dark	3.881095	3.84742	3.91477
12 h after dark	4.013865	3.92324	4.10449