condition	mean	min	max
4 h after light	18.956096000000002	14.577886	23.334306
8 h after light	14.667444499999998	13.604014	15.730875
12 h after light	17.912878	15.970955	19.854801
4 h after dark	19.3215735	19.293952	19.349195
8 h after dark	20.472457499999997	17.574837	23.370078
12 h after dark	24.92485	24.92485	24.92485