condition	mean	min	max
0 h after light	3.6646799999999997	3.52896	3.8004
4 h after light	4.421945	4.3492	4.49469
8 h after light	4.501945	3.59227	5.41162
4 h after dark	5.946125	5.48035	6.4119
8 h after dark	6.32477	6.04592	6.60362
12 h after dark	4.437725	3.87664	4.99881