condition mean min max 4 h after light 12.8986475 11.997928 13.799367 8 h after light 13.897222 12.791553 15.002891 12 h after light 11.997928 11.997928 11.997928 4 h after dark 11.345896 11.33177 11.360022 8 h after dark 10.2999625 8.601997 11.997928 12 h after dark 11.714943 11.714943 11.714943