condition	mean	min	max
4 h after light	11.652550000000002	11.1698	12.1353
8 h after light	12.1784	12.1168	12.24
12 h after light	13.1837	12.6211	13.7463
4 h after dark	17.635199999999998	15.8386	19.4318
8 h after dark	16.123649999999998	15.9875	16.2598
12 h after dark	15.707650000000001	14.964	16.4513