condition	mean	min	max
4 h after light	3.8570233333333332	1.45771	6.24461
8 h after light	3.518281	0.432423	5.92561
12 h after light	2.6396933333333332	1.28062	4.29329
4 h after dark	3.528043333333333	2.5061	4.69721
8 h after dark	3.30337	1.33652	4.28707
12 h after dark	3.73393	3.23679	4.66279