condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 2.0863133333333333e-07 0.0 6.25894e-07 12 h after light 0.24671575 0.0 0.986863 3 h after dark 0.770519 0.0 1.3639 6 h after dark 0.30321000000000004 0.0 0.90963 9 h after dark 0.155672 0.0 0.467016 12 h after dark 0.0 0.0 0.0