condition	mean	min	max
0 h after light	15.03825	13.1147	16.9618
4 h after light	8.19561	7.07551	9.31571
8 h after light	8.356685	7.09536	9.61801
4 h after dark	10.642050000000001	10.551	10.7331
8 h after dark	8.32348	6.44446	10.2025
12 h after dark	11.54	10.12	12.96