condition	mean	min	max
4 h after light	15.894419	15.640845	16.147993
8 h after light	16.343167	15.80334	16.882994
12 h after light	13.776285999999999	13.459925	14.092647
4 h after dark	15.4613795	14.774766	16.147993
8 h after dark	17.399528	16.539955	18.259101
12 h after dark	21.822129	21.822129	21.822129