condition	mean	min	max
0 h after light	6.75451	6.22442	7.2846
4 h after light	5.885105	4.69362	7.07659
8 h after light	4.867965	4.50733	5.2286
4 h after dark	12.801995	9.54169	16.0623
8 h after dark	4.571540000000001	4.11395	5.02913
12 h after dark	6.642804999999999	4.56459	8.72102