condition	mean	min	max
2 h after light	20.34355	16.4641	23.4401
6 h after light	21.225983333333335	17.6639	25.7514
10 h after light	21.098033333333333	17.0436	26.9498
14 h after light	20.7688	10.7693	25.7297
18 h after light	17.98865	14.6418	19.621
2 h after dark	15.000863333333333	8.55888	17.3925