condition	mean	min	max
4 h after light	7.01295	6.5365	7.4894
8 h after light	7.715955	7.68813	7.74378
12 h after light	8.965340000000001	8.92403	9.00665
4 h after dark	10.79997	9.32334	12.2766
8 h after dark	8.29961	8.18677	8.41245
12 h after dark	7.667495000000001	7.36181	7.97318