condition	mean	min	max
0 h after light	8.830729999999999	8.44092	9.22054
4 h after light	7.746354999999999	7.48382	8.00889
8 h after light	9.41055	9.26332	9.55778
4 h after dark	11.462250000000001	10.9964	11.9281
8 h after dark	9.8147	8.5214	11.108
12 h after dark	8.64146	8.41104	8.87188