condition	mean	min	max
4 h after light	67.91422	62.480949	73.347491
8 h after light	65.679936	58.700715	72.659157
12 h after light	74.88982	71.854197	77.925443
4 h after dark	95.983447	85.539962	106.426932
8 h after dark	102.083411	91.761669	112.405153
12 h after dark	86.319422	86.319422	86.319422