condition	mean	min	max
4 h after light	9.129940000000001	8.50345	9.75643
8 h after light	6.921355	6.1517	7.69101
12 h after light	7.35351	6.74893	7.95809
4 h after dark	10.551655	8.56011	12.5432
8 h after dark	9.785315	9.74204	9.82859
12 h after dark	10.794350000000001	10.1263	11.4624