openapi: 3.1.0
info:
  title: OpenWeatherMap Accumulated Parameters Measurements API
  version: 2.5.0
  description: Returns accumulated temperature and accumulated precipitation totals over a user-specified historical time window. Targeted at agricultural and energy-sector applications. Available on Professional and Expert plans.
  contact:
    name: OpenWeather
    url: https://openweathermap.org/api/accumulated-parameters
  license:
    name: Creative Commons Attribution-ShareAlike 4.0 International
    url: https://creativecommons.org/licenses/by-sa/4.0/
servers:
- url: https://history.openweathermap.org/data/2.5/history
  description: Accumulated Parameters API base URL
security:
- appid: []
tags:
- name: Measurements
  description: Submit and retrieve aggregated weather station measurements.
paths:
  /measurements:
    get:
      operationId: getMeasurements
      summary: Retrieve Aggregated Measurements
      description: Returns aggregated measurements for a station at minute, hour, or day granularity.
      tags:
      - Measurements
      parameters:
      - name: station_id
        in: query
        required: true
        schema:
          type: string
      - name: type
        in: query
        required: true
        description: Aggregation type. m minute, h hour, d day.
        schema:
          type: string
          enum:
          - m
          - h
          - d
      - name: limit
        in: query
        required: true
        description: Maximum number of records returned.
        schema:
          type: integer
      - name: from
        in: query
        required: false
        schema:
          type: integer
          format: int64
      - name: to
        in: query
        required: false
        schema:
          type: integer
          format: int64
      - $ref: '#/components/parameters/Appid'
      responses:
        '200':
          description: Aggregated measurements response.
    post:
      operationId: postMeasurements
      summary: Submit Station Measurements
      description: Submits one or more measurements collected from a registered station.
      tags:
      - Measurements
      parameters:
      - $ref: '#/components/parameters/Appid'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              items:
                $ref: '#/components/schemas/Measurement'
      responses:
        '204':
          description: Measurements accepted.
        '400':
          description: Invalid request parameters.
        '401':
          description: Unauthorized.
components:
  schemas:
    Measurement:
      type: object
      required:
      - station_id
      - dt
      properties:
        station_id:
          type: string
        dt:
          type: integer
          format: int64
        temperature:
          type: number
          format: float
          description: Air temperature in Celsius.
        wind_speed:
          type: number
          format: float
        wind_gust:
          type: number
          format: float
        pressure:
          type: number
          format: float
          description: Pressure in hectopascals.
        humidity:
          type: number
          format: float
        rain_1h:
          type: number
          format: float
        rain_6h:
          type: number
          format: float
        rain_24h:
          type: number
          format: float
        snow_1h:
          type: number
          format: float
        snow_6h:
          type: number
          format: float
        snow_24h:
          type: number
          format: float
        dew_point:
          type: number
          format: float
        heat_index:
          type: number
          format: float
        humidex:
          type: number
          format: float
        visibility_distance:
          type: number
          format: float
  parameters:
    Appid:
      name: appid
      in: query
      required: true
      description: OpenWeather API key.
      schema:
        type: string
  securitySchemes:
    appid:
      type: apiKey
      in: query
      name: appid