leak indicator

{
  "type": "object",
  "required": [
    "zones"
  ],
  "additionalProperties": false,
  "properties": {
    "zones": {
      "type": "array",
      "minItems": 1,
      "maxItems": 40,
      "description": "The areas to assess. Unknown field names inside a zone are named back to you, never ignored.",
      "items": {
        "type": "object",
        "required": [
          "zone_id",
          "flow_series"
        ],
        "properties": {
          "zone_id": {
            "type": "string",
            "minLength": 1,
            "maxLength": 40,
            "description": "Your own identifier. Returned unchanged; also the tie-break in the ranking."
          },
          "flow_series": {
            "type": "array",
            "minItems": 4,
            "maxItems": 4032,
            "description": "Inlet flow. Needs a sample inside the night window on at least min_nights nights.",
            "items": {
              "type": "object",
              "required": [
                "timestamp",
                "flow_m3_h"
              ],
              "properties": {
                "timestamp": {
                  "type": "string",
                  "description": "ISO 8601 with an explicit time zone."
                },
                "flow_m3_h": {
                  "type": "number",
                  "minimum": 0,
                  "maximum": 100000
                }
              }
            }
          },
          "pressure_series": {
            "type": "array",
            "minItems": 3,
            "maxItems": 4032,
            "description": "Optional. Used for the night pressure trend only.",
            "items": {
              "type": "object",
              "required": [
                "timestamp",
                "pressure_bar"
              ],
              "properties": {
                "timestamp": {
                  "type": "string"
                },
                "pressure_bar": {
                  "type": "number",
                  "minimum": 0,
                  "maximum": 25
                }
              }
            }
          },
          "metered_consumption_m3": {
            "type": "number",
            "minimum": 0,
            "maximum": 10000000,
            "description": "Optional. Must cover exactly the window spanned by flow_series. Without it there is no volume balance."
          },
          "service_connections": {
            "type": "integer",
            "minimum": 1,
            "maximum": 1000000,
            "description": "Optional. Without it the legitimate share of the night flow cannot be separated out."
          },
          "night_use_l_per_connection_h": {
            "type": "number",
            "minimum": 0,
            "maximum": 50,
            "description": "Optional per-zone override of the assumed legitimate night use."
          }
        }
      }
    },
    "night_window_start_hour": {
      "type": "number",
      "minimum": 0,
      "maximum": 24,
      "default": 2,
      "description": "Local time. A window wrapping past midnight is allowed."
    },
    "night_window_end_hour": {
      "type": "number",
      "minimum": 0,
      "maximum": 24,
      "default": 4,
      "description": "Local time, exclusive."
    },
    "utc_offset_minutes": {
      "type": "integer",
      "minimum": -840,
      "maximum": 840,
      "default": 0,
      "description": "Fixed offset used to place the night window. No daylight saving rule is applied."
    },
    "night_use_l_per_connection_h": {
      "type": "number",
      "minimum": 0,
      "maximum": 50,
      "default": 1.7,
      "description": "Assumed legitimate night use per connection. The default is a planning value, not your network."
    },
    "min_nights": {
      "type": "integer",
      "minimum": 1,
      "maximum": 30,
      "default": 2,
      "description": "Nights with a night-window sample required before a zone is scored. Below three, no trend."
    }
  }
}