condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01590495 0.0 0.0318099 12 h after light 0.0 0.0 0.0 4 h after dark 0.0479512 0.0327415 0.0561173 8 h after dark 0.009697733333333333 0.0 0.0290932 12 h after dark 0.013320066666666667 0.0 0.0399602