condition	mean	min	max
4 h after light	11.52218	10.997327	12.047033
8 h after light	8.9269865	8.671826	9.182147
12 h after light	10.163243000000001	8.705432	11.621054
4 h after dark	10.857547499999999	10.391312	11.323783
8 h after dark	10.452201	10.084371	10.820031
12 h after dark	9.833766	9.833766	9.833766