condition	mean	min	max
4 h after light	11.668026999999999	10.848567	12.487487
8 h after light	13.2294765	11.038061	15.420892
12 h after light	15.5852715	13.390009	17.780534
4 h after dark	15.959363	13.21642	18.702306
8 h after dark	14.158573	12.600934	15.716212
12 h after dark	12.50017	12.50017	12.50017