condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0250589 0.0 0.0501178 4 h after dark 0.000100196 0.0 0.000300588 8 h after dark 0.010504866666666666 0.0 0.0315146 12 h after dark 0.011159366666666665 0.0 0.0334781