condition	mean	min	max
4 h after light	4.569559999999999	4.2932	4.84592
8 h after light	5.507415	5.03635	5.97848
12 h after light	5.525205	5.43339	5.61702
4 h after dark	6.29232	5.56313	7.02151
8 h after dark	4.352935	4.08249	4.62338
12 h after dark	4.80991	4.54447	5.07535