{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/fluvigil-de/json-schema/fluvigil-de-period-statistics-schema.json",
  "title": "PeriodStatistics",
  "description": "One evaluated period over the daily rollup.",
  "x-generated": "2026-11-08",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/fluvigil-de-openapi.yaml#/components/schemas/PeriodStatistics",
  "type": "object",
  "properties": {
    "periodStart": {
      "type": "string",
      "format": "date-time"
    },
    "minCentimeters": {
      "type": "number"
    },
    "maxCentimeters": {
      "type": "number"
    },
    "avgCentimeters": {
      "type": "number"
    },
    "volatilityCentimeters": {
      "type": "number",
      "description": "Sample standard deviation of the daily means in the period."
    },
    "sampleDays": {
      "type": "integer"
    },
    "daysAboveMnw": {
      "type": [
        "integer",
        "null"
      ]
    },
    "daysAboveMhw": {
      "type": [
        "integer",
        "null"
      ]
    }
  }
}