condition	mean	min	max
4 h after light	7.236355	6.39976	8.07295
8 h after light	27.71445	26.531	28.8979
12 h after light	19.67055	19.3061	20.035
4 h after dark	5.11284	4.88353	5.236
8 h after dark	2.7402933333333332	2.51831	2.85767
12 h after dark	5.491076666666666	4.69492	6.02841