condition	mean	min	max
4 h after light	3.429605	2.64253	4.21668
8 h after light	14.803650000000001	13.2448	16.3625
12 h after light	6.97215	6.80766	7.13664
4 h after dark	5.553735	4.9653	6.14217
8 h after dark	3.230245	2.83754	3.62295
12 h after dark	2.9452350000000003	2.46211	3.42836