condition	mean	min	max
4 h after light	68.247495	61.084026	75.410964
8 h after light	83.001927	82.640311	83.363543
12 h after light	62.081342	60.601707	63.560977
4 h after dark	61.86296	60.907076	62.818844
8 h after dark	49.160263	44.332595	53.987931
12 h after dark	77.391885	77.391885	77.391885