condition	mean	min	max
4 h after light	13.375264999999999	11.260888	15.489642
8 h after light	17.778601000000002	16.049164	19.508038
12 h after light	18.032099	17.453732	18.610466
4 h after dark	17.74667	17.74667	17.74667
8 h after dark	24.806498	19.573723	30.039273
12 h after dark	12.31924	12.31924	12.31924