Shield History all metals

{
    "continuous_data": {
        "chlorine": [
            {
                "_time": 1517358000000,
                "chlorine": null
            },
            {
                "_time": 1517387100000,
                "chlorine": null
            },
            {
                "_time": 1517416200000,
                "chlorine": null
            },
            {
                "_time": 1517445300000,
                "chlorine": null
            }
        ],
        "conductivity": [
            {
                "_time": 1517358000000,
                "conductivity": 30.0
            },
            {
                "_time": 1517387100000,
                "conductivity": 48.0
            },
            {
                "_time": 1517416200000,
                "conductivity": 32.0
            },
            {
                "_time": 1517445300000,
                "conductivity": 33.0
            }
        ],
        "dissolved_oxygen": [
            {
                "_time": 1517358000000,
                "dissolved_oxygen": null
            },
            {
                "_time": 1517387100000,
                "dissolved_oxygen": null
            },
            {
                "_time": 1517416200000,
                "dissolved_oxygen": null
            },
            {
                "_time": 1517445300000,
                "dissolved_oxygen": null
            }
        ],
        "oxidation_reduction_potential": [
            {
                "_time": 1517358000000,
                "oxidation_reduction_potential": null
            },
            {
                "_time": 1517387100000,
                "oxidation_reduction_potential": null
            },
            {
                "_time": 1517416200000,
                "oxidation_reduction_potential": null
            },
            {
                "_time": 1517445300000,
                "oxidation_reduction_potential": null
            }
        ],
        "ph": [
            {
                "_time": 1517358000000,
                "ph": 5.0
            },
            {
                "_time": 1517387100000,
                "ph": 10.0
            },
            {
                "_time": 1517416200000,
                "ph": 5.0
            },
            {
                "_time": 1517445300000,
                "ph": 7.0
            }
        ],
        "salinity": [
            {
                "_time": 1517358000000,
                "salinity": 1301.0
            },
            {
                "_time": 1517387100000,
                "salinity": 1158.0
            },
            {
                "_time": 1517416200000,
                "salinity": 993.0
            },
            {
                "_time": 1517445300000,
                "salinity": 1031.0
            }
        ],
        "silica": [
            {
                "_time": 1517358000000,
                "silica": null
            },
            {
                "_time": 1517387100000,
                "silica": null
            },
            {
                "_time": 1517416200000,
                "silica": null
            },
            {
                "_time": 1517445300000,
                "silica": null
            }
        ],
        "tds": [
            {
                "_time": 1517358000000,
                "tds": 504.0
            },
            {
                "_time": 1517387100000,
                "tds": 507.0
            },
            {
                "_time": 1517416200000,
                "tds": 446.0
            },
            {
                "_time": 1517445300000,
                "tds": 573.0
            }
        ],
        "temperature": [
            {
                "_time": 1517358000000,
                "temperature": 65.0
            },
            {
                "_time": 1517387100000,
                "temperature": 79.0
            },
            {
                "_time": 1517416200000,
                "temperature": 77.0
            },
            {
                "_time": 1517445300000,
                "temperature": 90.0
            }
        ],
        "turbidity": [
            {
                "_time": 1517358000000,
                "turbidity": null
            },
            {
                "_time": 1517387100000,
                "turbidity": null
            },
            {
                "_time": 1517416200000,
                "turbidity": null
            },
            {
                "_time": 1517445300000,
                "turbidity": null
            }
        ]
    },
    "data": {
        "alkalinity": [
            {
                "_time": 1517335200000,
                "alkalinity": 206.0,
                "test_number": 200
            }
        ],
        "arsenic": [
            {
                "_time": 1517335200000,
                "arsenic": 13.0,
                "test_number": 200
            }
        ],
        "boron": [
            {
                "_time": 1517335200000,
                "boron": null,
                "test_number": 200
            }
        ],
        "cadmium": [
            {
                "_time": 1517335200000,
                "cadmium": 5.0,
                "test_number": 200
            }
        ],
        "calcium": [
            {
                "_time": 1517335200000,
                "calcium": null,
                "test_number": 200
            }
        ],
        "chlorine": [
            {
                "_time": 1517335200000,
                "chlorine": null,
                "test_number": 200
            }
        ],
        "chromium": [
            {
                "_time": 1517335200000,
                "chromium": null,
                "test_number": 200
            }
        ],
        "conductivity": [
            {
                "_time": 1517335200000,
                "conductivity": 47.0,
                "test_number": 200
            }
        ],
        "copper": [
            {
                "_time": 1517335200000,
                "copper": 1.0,
                "test_number": 200
            }
        ],
        "dissolved_oxygen": [
            {
                "_time": 1517335200000,
                "dissolved_oxygen": null,
                "test_number": 200
            }
        ],
        "hardness": [
            {
                "_time": 1517335200000,
                "hardness": null,
                "test_number": 200
            }
        ],
        "lead": [
            {
                "_time": 1517335200000,
                "lead": 17.0,
                "test_number": 200
            }
        ],
        "manganese": [
            {
                "_time": 1517335200000,
                "manganese": null,
                "test_number": 200
            }
        ],
        "nitrates": [
            {
                "_time": 1517335200000,
                "nitrates": null,
                "test_number": 200
            }
        ],
        "oxidation_reduction_potential": [
            {
                "_time": 1517335200000,
                "oxidation_reduction_potential": null,
                "test_number": 200
            }
        ],
        "ph": [
            {
                "_time": 1517335200000,
                "ph": 9.0,
                "test_number": 200
            }
        ],
        "salinity": [
            {
                "_time": 1517335200000,
                "salinity": 1014.0,
                "test_number": 200
            }
        ],
        "silica": [
            {
                "_time": 1517335200000,
                "silica": null,
                "test_number": 200
            }
        ],
        "tds": [
            {
                "_time": 1517335200000,
                "tds": 418.0,
                "test_number": 200
            }
        ],
        "temperature": [
            {
                "_time": 1517335200000,
                "temperature": 68.0,
                "test_number": 200
            }
        ],
        "turbidity": [
            {
                "_time": 1517335200000,
                "test_number": 200,
                "turbidity": null
            }
        ]
    }
}