PASS: 48 frozen sources; six exact grids; 2190 daily maxima and flags; annual sums; direct Decimal; adjacent clean runs; six-minute flagged sample.
[
  {
    "station_id": "8774770",
    "name": "Rockport",
    "threshold_m_STND": "2.582",
    "official_flood_days": 2,
    "all_exceedance_readings": 15,
    "clean_exceedance_readings": 15,
    "flagged_year_records": 1,
    "longest_clean_run_readings": 15,
    "start_UTC": "2025-10-05 17:00",
    "end_UTC": "2025-10-06 07:00",
    "elapsed_hours": 14,
    "sensitivity": [
      {
        "delta_m": "-0.01",
        "days": 3,
        "all_readings": 19,
        "clean_readings": 19,
        "longest_clean_run": 17
      },
      {
        "delta_m": "0",
        "days": 2,
        "all_readings": 15,
        "clean_readings": 15,
        "longest_clean_run": 15
      },
      {
        "delta_m": "0.01",
        "days": 2,
        "all_readings": 10,
        "clean_readings": 10,
        "longest_clean_run": 10
      }
    ]
  },
  {
    "station_id": "8771013",
    "name": "Eagle Point, Galveston Bay",
    "threshold_m_STND": "2.137",
    "official_flood_days": 18,
    "all_exceedance_readings": 86,
    "clean_exceedance_readings": 86,
    "flagged_year_records": 11,
    "longest_clean_run_readings": 21,
    "start_UTC": "2025-10-05 04:00",
    "end_UTC": "2025-10-06 00:00",
    "elapsed_hours": 20,
    "sensitivity": [
      {
        "delta_m": "-0.01",
        "days": 21,
        "all_readings": 100,
        "clean_readings": 100,
        "longest_clean_run": 38
      },
      {
        "delta_m": "0",
        "days": 18,
        "all_readings": 86,
        "clean_readings": 86,
        "longest_clean_run": 21
      },
      {
        "delta_m": "0.01",
        "days": 16,
        "all_readings": 73,
        "clean_readings": 73,
        "longest_clean_run": 18
      }
    ]
  },
  {
    "station_id": "8771450",
    "name": "Galveston Pier 21",
    "threshold_m_STND": "2.282",
    "official_flood_days": 3,
    "all_exceedance_readings": 16,
    "clean_exceedance_readings": 16,
    "flagged_year_records": 3,
    "longest_clean_run_readings": 9,
    "start_UTC": "2025-10-05 06:00",
    "end_UTC": "2025-10-05 14:00",
    "elapsed_hours": 8,
    "sensitivity": [
      {
        "delta_m": "-0.01",
        "days": 4,
        "all_readings": 19,
        "clean_readings": 19,
        "longest_clean_run": 10
      },
      {
        "delta_m": "0",
        "days": 3,
        "all_readings": 16,
        "clean_readings": 16,
        "longest_clean_run": 9
      },
      {
        "delta_m": "0.01",
        "days": 3,
        "all_readings": 14,
        "clean_readings": 14,
        "longest_clean_run": 8
      }
    ]
  },
  {
    "station_id": "8443970",
    "name": "Boston",
    "threshold_m_STND": "4.830",
    "official_flood_days": 6,
    "all_exceedance_readings": 6,
    "clean_exceedance_readings": 6,
    "flagged_year_records": 22,
    "longest_clean_run_readings": 1,
    "start_UTC": "2025-11-08 18:00",
    "end_UTC": "2025-11-08 18:00",
    "elapsed_hours": 0,
    "sensitivity": [
      {
        "delta_m": "-0.01",
        "days": 6,
        "all_readings": 7,
        "clean_readings": 7,
        "longest_clean_run": 2
      },
      {
        "delta_m": "0",
        "days": 6,
        "all_readings": 6,
        "clean_readings": 6,
        "longest_clean_run": 1
      },
      {
        "delta_m": "0.01",
        "days": 6,
        "all_readings": 6,
        "clean_readings": 6,
        "longest_clean_run": 1
      }
    ]
  },
  {
    "station_id": "8721604",
    "name": "Trident Pier, Port Canaveral",
    "threshold_m_STND": "7.221",
    "official_flood_days": 15,
    "all_exceedance_readings": 36,
    "clean_exceedance_readings": 36,
    "flagged_year_records": 263,
    "longest_clean_run_readings": 5,
    "start_UTC": "2025-10-10 13:00",
    "end_UTC": "2025-10-10 17:00",
    "elapsed_hours": 4,
    "sensitivity": [
      {
        "delta_m": "-0.01",
        "days": 18,
        "all_readings": 44,
        "clean_readings": 44,
        "longest_clean_run": 5
      },
      {
        "delta_m": "0",
        "days": 15,
        "all_readings": 36,
        "clean_readings": 36,
        "longest_clean_run": 5
      },
      {
        "delta_m": "0.01",
        "days": 15,
        "all_readings": 33,
        "clean_readings": 33,
        "longest_clean_run": 5
      }
    ]
  },
  {
    "station_id": "8723214",
    "name": "Virginia Key",
    "threshold_m_STND": "4.290",
    "official_flood_days": 7,
    "all_exceedance_readings": 22,
    "clean_exceedance_readings": 22,
    "flagged_year_records": 9,
    "longest_clean_run_readings": 3,
    "start_UTC": "2025-10-04 10:00",
    "end_UTC": "2025-10-04 12:00",
    "elapsed_hours": 2,
    "sensitivity": [
      {
        "delta_m": "-0.01",
        "days": 9,
        "all_readings": 24,
        "clean_readings": 24,
        "longest_clean_run": 3
      },
      {
        "delta_m": "0",
        "days": 7,
        "all_readings": 22,
        "clean_readings": 22,
        "longest_clean_run": 3
      },
      {
        "delta_m": "0.01",
        "days": 7,
        "all_readings": 21,
        "clean_readings": 21,
        "longest_clean_run": 3
      }
    ]
  }
]
