condition mean min max 4 h after light 0.4568275 0.431013 0.482642 8 h after light 0.4407895 0.392784 0.488795 12 h after light 0.6271685 0.620852 0.633485 4 h after dark 1.678305 1.20686 2.14975 8 h after dark 0.8124104999999999 0.767166 0.857655 12 h after dark 0.8318075 0.761982 0.901633