condition	mean	min	max
0 h after light	15.5353	15.4891	15.5815
4 h after light	29.49025	21.1734	37.8071
8 h after light	2.56633	1.7342	3.39846
4 h after dark	1.348304	0.776838	1.91977
8 h after dark	26.27035	25.9666	26.5741
12 h after dark	34.21925	19.1774	49.2611