condition	mean	min	max
0 h after light	8.800460000000001	8.63603	8.96489
4 h after light	8.666865	7.9285	9.40523
8 h after light	8.606020000000001	8.38924	8.8228
4 h after dark	8.5449	8.38949	8.70031
8 h after dark	10.025535000000001	9.78907	10.262
12 h after dark	9.547925	9.19026	9.90559