condition mean min max 4 h after light 0.020780966666666668 0.0 0.0332765 8 h after light 0.026212399999999997 0.0 0.0658269 12 h after light 0.010933 0.0 0.032799 4 h after dark 5.1e-08 0.0 1.53e-07 8 h after dark 0.0 0.0 0.0 12 h after dark 0.011053133333333333 0.0 0.0331594