condition	mean	min	max
4 h after light	18.713041500000003	16.794235	20.631848
8 h after light	17.227894	16.800185	17.655603
12 h after light	16.937000500000003	16.443961	17.43004
4 h after dark	16.466076	16.036555	16.895597
8 h after dark	32.8357445	20.155129	45.51636
12 h after dark	17.655603	17.655603	17.655603