condition	mean	min	max
4 h after light	13.110700000000001	13.0012	13.2202
8 h after light	12.84005	11.9224	13.7577
12 h after light	13.39855	12.2621	14.535
4 h after dark	18.79945	17.4245	20.1744
8 h after dark	16.3428	15.7508	16.9348
12 h after dark	14.3498	13.8392	14.8604