condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.038655 0.0 0.115965 12 h after light 0.024275325 0.0 0.0971013 3 h after dark 0.0 0.0 0.0 6 h after dark 0.2816803333333333 0.119994 0.516964 9 h after dark 0.13327966666666666 0.0 0.311367 12 h after dark 0.04643145 0.0 0.0928629