condition	mean	min	max
4 h after light	16.61494	15.234825	17.995055
8 h after light	15.476797000000001	15.374591	15.579003
12 h after light	15.704818999999999	14.243913	17.165725
4 h after dark	16.01436	15.880727	16.147993
8 h after dark	14.844236	14.313881	15.374591
12 h after dark	15.091058	15.091058	15.091058