condition	mean	min	max
0 h after light	8.513855	6.56491	10.4628
4 h after light	7.605715	6.3851	8.82633
8 h after light	4.657055	3.54271	5.7714
4 h after dark	10.13183	9.67136	10.5923
8 h after dark	14.3206	12.6373	16.0039
12 h after dark	10.29706	8.64212	11.952