condition	mean	min	max
4 h after light	12.4409	11.6249	13.2569
8 h after light	11.46275	11.3825	11.543
12 h after light	12.05395	11.8831	12.2248
4 h after dark	18.1015	16.9402	19.2628
8 h after dark	15.4117	15.0782	15.7452
12 h after dark	16.61355	14.0023	19.2248