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OpenAPI Specification

openapi: 3.2.0
info:
  title: NOAA CO-OPS Data Retrieval Benchmarks Sealvltrends API
  description: Retrieves real-time and historical observational and prediction data from NOAA CO-OPS coastal and Great Lakes monitoring stations. Products include water levels, tidal predictions, meteorological observations (wind, air pressure, air and water temperature, humidity, conductivity, salinity, visibility), and currents data.
  version: 1.0.0
  contact:
    name: CO-OPS User Services
    email: co-ops.userservices@noaa.gov
  license:
    name: Public Domain
    url: https://www.noaa.gov/disclaimer
servers:
- url: https://api.tidesandcurrents.noaa.gov/api/prod
  description: NOAA CO-OPS Data Retrieval API
tags:
- name: Sealvltrends
paths:
  /sealvltrends:
    get:
      operationId: getSeaLevelTrends
      summary: Get sea level trends
      description: Returns mean sea level trend data for a given station, including rate of change and confidence intervals.
      parameters:
      - name: station
        in: query
        required: true
        description: 7-digit station ID.
        schema:
          type: string
          example: '9414290'
      - name: affiliation
        in: query
        required: false
        description: Station affiliation context.
        schema:
          type: string
          enum:
          - Global
          - US
          default: US
      responses:
        '200':
          description: Sea level trend data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SeaLevelTrend'
      tags:
      - Sealvltrends
components:
  schemas:
    SeaLevelTrend:
      type: object
      properties:
        stationId:
          type: string
          description: Station ID
          example: '9414290'
        stationName:
          type: string
          description: Station name
          example: San Francisco
        trend:
          type: number
          format: double
          description: Sea level trend rate (mm/year)
          example: 1.94
        ci95:
          type: number
          format: double
          description: 95% confidence interval (mm/year)
          example: 0.19
        startYear:
          type: integer
          description: First year of record used
          example: 1897
        endYear:
          type: integer
          description: Last year of record used
          example: 2022