condition	mean	min	max
0 h after light	4.188715	3.86298	4.51445
4 h after light	2.301335	1.82079	2.78188
8 h after light	3.0044649999999997	1.91477	4.09416
4 h after dark	6.7090700000000005	6.21326	7.20488
8 h after dark	6.138865	6.07161	6.20612
12 h after dark	3.476145	2.81774	4.13455