condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.427642 0.0 0.855284 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.450241 0.0 0.900482 8 h after dark 0.545105 0.0 1.09021 12 h after dark 0.4703375 0.0 0.940675