condition	mean	min	max
4 h after light	6.41264	6.12139	6.70389
8 h after light	7.88221	7.62881	8.13561
12 h after light	7.722025	7.17786	8.26619
4 h after dark	7.142733333333333	6.51209	7.68337
8 h after dark	6.020153333333333	5.25171	6.76155
12 h after dark	5.552193333333333	4.42363	6.13135