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 0.0 0.0 0.0 4 h after dark 0.038768000000000004 0.0 0.116304 8 h after dark 0.0 0.0 0.0 12 h after dark 0.032596933333333335 0.0 0.0977908