condition	mean	min	max
4 h after light	3.88218	3.3921	4.37226
8 h after light	3.943715	3.8277	4.05973
12 h after light	4.504334999999999	4.15963	4.84904
4 h after dark	7.66958	6.95139	8.38777
8 h after dark	6.65146	6.11742	7.1855
12 h after dark	6.094165	6.04054	6.14779