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OpenAPI Specification

openapi: 3.2.0
info:
  title: NOAA CO-OPS Data Retrieval Benchmarks Peakwaterlevels 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: Peakwaterlevels
paths:
  /peakwaterlevels:
    get:
      operationId: getPeakWaterLevels
      summary: Get peak water levels by event
      description: Returns peak water levels for a specific storm or event.
      parameters:
      - name: eventid
        in: query
        required: true
        description: Numerical event identifier.
        schema:
          type: integer
          example: 1
      - name: units
        in: query
        required: false
        description: Unit system for returned values.
        schema:
          type: string
          enum:
          - english
          - metric
          default: metric
      - name: datum
        in: query
        required: false
        description: Vertical datum for water level values.
        schema:
          type: string
          enum:
          - STND
          - MHHW
          - MHW
          - MSL
          - MTL
          - MLW
          - MLLW
          - NAVD
          - IGLD
          - LWD
      responses:
        '200':
          description: Peak water level data for the specified event
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/WaterLevelEvent'
      tags:
      - Peakwaterlevels
components:
  schemas:
    WaterLevelEvent:
      type: object
      properties:
        rank:
          type: integer
          description: Rank of this event (1 = highest)
          example: 1
        date:
          type: string
          description: Date of the event
          example: '1982-12-21'
        level:
          type: number
          format: double
          description: Water level value
          example: 2.34
        units:
          type: string
          description: Unit of measurement
          example: m