{
  "basin": "puyallup",
  "gage": "Puyallup nr Electron 12092000",
  "band": "5.0-15.0Hz",
  "q_peak_utc": "2025-12-09 03:30:00+00:00",
  "ref_levels_m3s": [
    60,
    70,
    80,
    90,
    100,
    110,
    120,
    130,
    140,
    150,
    160
  ],
  "method": "matched-discharge crossings, first-rising-limb-referenced; logistic step fit with bootstrap CI; reversibility from sign(\u0394)/R\u00b2",
  "stations": {
    "CC.PR01": {
      "b_pooled": 1.74,
      "n_crossings": 106,
      "lag_correction": {
        "lag_min": -45,
        "lag_xcorr_r": 0.8,
        "station_gage_km": 0.7,
        "applied": false,
        "implied_celerity_m_s": null
      },
      "persistent_offset_log10": -0.015,
      "direction": null,
      "onset_utc": "2025-12-09 16:25:00+00:00",
      "onset_lag_h": 12.9,
      "step_t50_utc": "2025-12-12 04:59:35.657698161+00:00",
      "step_t50_lag_vs_Qpeak_h": 73.5,
      "step_t50_lag_CI_h": [
        72.3,
        76.9
      ],
      "transition_width_h": 6.0,
      "tau_CI_h": [
        1.5,
        1.8
      ],
      "magnitude_log10": 0.198,
      "magnitude_CI": [
        0.129,
        0.265
      ],
      "r2": 0.34,
      "character": "stepwise",
      "reversible": true,
      "supply_shutoff_decline_log10": -1.16,
      "supply_confounded": false
    },
    "CC.PR02": {
      "b_pooled": 2.01,
      "n_crossings": 106,
      "lag_correction": {
        "lag_min": -10,
        "lag_xcorr_r": 0.87,
        "station_gage_km": 1.9,
        "applied": false,
        "implied_celerity_m_s": null
      },
      "persistent_offset_log10": 0.299,
      "direction": "positive",
      "onset_utc": "2025-12-09 16:25:00+00:00",
      "onset_lag_h": 12.9,
      "step_t50_utc": "2025-12-12 01:31:27.575801333+00:00",
      "step_t50_lag_vs_Qpeak_h": 70.0,
      "step_t50_lag_CI_h": [
        68.8,
        71.7
      ],
      "transition_width_h": 10.6,
      "tau_CI_h": [
        1.5,
        3.9
      ],
      "magnitude_log10": 0.293,
      "magnitude_CI": [
        0.245,
        0.36
      ],
      "r2": 0.66,
      "character": "stepwise",
      "reversible": false,
      "supply_shutoff_decline_log10": -1.08,
      "supply_confounded": false
    },
    "CC.PR03": {
      "b_pooled": 1.84,
      "n_crossings": 106,
      "lag_correction": {
        "lag_min": 10,
        "lag_xcorr_r": 0.87,
        "station_gage_km": 0.2,
        "applied": false,
        "implied_celerity_m_s": null
      },
      "persistent_offset_log10": 0.214,
      "direction": "positive",
      "onset_utc": "2025-12-09 23:50:00+00:00",
      "onset_lag_h": 20.3,
      "step_t50_utc": "2025-12-12 05:06:30.304525619+00:00",
      "step_t50_lag_vs_Qpeak_h": 73.6,
      "step_t50_lag_CI_h": [
        72.3,
        75.2
      ],
      "transition_width_h": 11.5,
      "tau_CI_h": [
        2.3,
        3.7
      ],
      "magnitude_log10": 0.496,
      "magnitude_CI": [
        0.405,
        0.597
      ],
      "r2": 0.72,
      "character": "stepwise",
      "reversible": false,
      "supply_shutoff_decline_log10": -1.58,
      "supply_confounded": false
    }
  },
  "propagation": {
    "persistent_stations": [
      "CC.PR02",
      "CC.PR03"
    ],
    "order_earliest_first": [
      "CC.PR02",
      "CC.PR03"
    ],
    "pairs": [
      {
        "from_": "CC.PR02",
        "to": "CC.PR03",
        "dt_h": 3.6,
        "separation_m": 2055,
        "apparent_celerity_m_per_s": 0.159
      }
    ]
  }
}