condition mean min max 3 h after light 0.547648 0.451003 0.617854 6 h after light 0.3912933333333333 0.0 0.79438 9 h after light 0.542404 0.0 0.894385 12 h after light 1.04908225 0.0 2.65206 3 h after dark 1.7826866666666668 1.16838 2.78641 6 h after dark 1.05999 0.0 1.85093 9 h after dark 0.60036 0.0 1.80108 12 h after dark 0.179053 0.0 0.358106