condition	mean	min	max
4 h after light	7.694945000000001	6.1498	9.24009
8 h after light	6.57497	6.31574	6.8342
12 h after light	11.15835	10.9245	11.3922
4 h after dark	18.687433333333335	18.3291	18.9328
8 h after dark	17.050133333333335	16.2867	17.7571
12 h after dark	11.2392	10.4042	12.4676