condition	mean	min	max
4 h after light	17.4356115	16.917478	17.953745
8 h after light	16.2951885	15.672899	16.917478
12 h after light	19.054989	16.917478	21.1925
4 h after dark	17.65426	17.354775	17.953745
8 h after dark	16.351707	13.685932	19.017482
12 h after dark	13.357012	13.357012	13.357012