condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0162004 0.0 0.0486012 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.033020966666666665 0.0 0.0990629 12 h after dark 0.0 0.0 0.0