condition	mean	min	max
0 h after light	4.567635	4.12215	5.01312
4 h after light	5.695345	5.48549	5.9052
8 h after light	8.26193	7.52184	9.00202
4 h after dark	8.126355	7.80019	8.45252
8 h after dark	6.805865	6.64814	6.96359
12 h after dark	5.323335	5.32196	5.32471