condition	mean	min	max
0 h after light	17.30875	17.2372	17.3803
4 h after light	11.8159	10.0943	13.5375
8 h after light	13.5638	10.7922	16.3354
4 h after dark	17.87425	17.2404	18.5081
8 h after dark	20.5513	18.1445	22.9581
12 h after dark	18.531950000000002	17.8777	19.1862