condition	mean	min	max
4 h after light	7.10186	5.86953	8.33419
8 h after light	7.770625	7.52768	8.01357
12 h after light	7.96264	7.51265	8.41263
4 h after dark	11.486049999999999	11.2263	11.7458
8 h after dark	9.166174999999999	9.15664	9.17571
12 h after dark	9.17727	9.13714	9.2174