condition	mean	min	max
4 h after light	3.164235	2.64631	3.68216
8 h after light	18.076	16.0186	20.1334
12 h after light	38.7174	38.247	39.1878
4 h after dark	23.994	21.8876	26.1004
8 h after dark	13.245999999999999	12.4055	14.0865
12 h after dark	7.119905	6.43755	7.80226