condition mean min max 3 h after light 0.06958643333333334 0.0526317 0.0849753 6 h after light 0.03633946666666667 0.0 0.0559846 9 h after light 0.05610656666666666 0.0 0.0882249 12 h after light 0.0343667 0.0 0.0606273 3 h after dark 0.23503266666666667 0.147052 0.300079 6 h after dark 0.0170785 0.0 0.0512355 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0