condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.039619 0.0 0.118857 12 h after light 0.0 0.0 0.0 4 h after dark 0.036542 0.0 0.109626 8 h after dark 0.0 0.0 0.0 12 h after dark 0.032284799999999995 0.0 0.0968544