condition	mean	min	max
4 h after light	5.812150000000001	5.02981	6.59449
8 h after light	3.0686150000000003	2.9127	3.22453
12 h after light	2.691535	2.33396	3.04911
4 h after dark	3.939226666666667	3.32745	4.5376
8 h after dark	5.43016	4.99273	5.70843
12 h after dark	4.796496666666667	3.45214	6.11232