condition	mean	min	max
0 h after light	6.503395	6.16284	6.84395
4 h after light	4.96061	4.34863	5.57259
8 h after light	4.92321	4.77494	5.07148
4 h after dark	9.098690000000001	8.60584	9.59154
8 h after dark	6.9036100000000005	6.47536	7.33186
12 h after dark	6.115855	5.75962	6.47209