Bureau Home » Water Information » Water Dictionary » third quartile

• Water Information
  • Water data
    • Climate Resilient Water Sources
    • Design Rainfalls
    • Environmental Monitoring Sites
    • Geofabric
    • Groundwater Information
    • Hydrologic Reference Stations
    • Murray-Darling Basin Water Information
    • Water Markets Information
    • Water Data Online
  • Water status
    • Water Assessments
    • Landscape Water Balance
    • National Water Account
    • Urban National Performance Report
    • Urban Water Information
    • Water Restrictions
    • Water Storage
    • Water Focus Reports
  • Water forecasts
    • Floods
    • 7-day Streamflow Forecasts
    • Seasonal Streamflow Forecasts
• Regulations
  • Find your organisation
  • About the Regulations
    • Background
    • Principles and Policies
    • Categories of Persons
    • Categories of Water Information
    • Subcategories of Water Information
    • Amendments
    • Regulator performance framework
    • Interagency Working Group report
  • Regulations Data
    • Data Format Requirements
    • Data Delivery
    • Metadata and Contextual Information
    • Data Licensing
  • Incorporated documents
    • Commercially Sensitive Sites
    • Metadata and Contextual Information Requirements
    • Persons and Classes of Persons
    • Urban Water Management Information Requirements
• Standards
  • Water Data Transfer Format
    • About WDTF
    • Download WDTF
    • WDTF Validation
    • WDTF Tools
    • WDTF FAQ
  • About Standards
  • Collaborative Approach
    • National Industry Guidelines for hydrometric monitoring
    • National Industry Guideline for water quality metadata
  • Water Accounting Standards
    • Australian Water Accounting Standards
    • Resources
    • Development
    • Frequently asked questions
  • Flood Warning Standard
• News and events
  • Presentations
    • National Climate and Water Briefings
    • National Water Information Briefings 2011
    • Water Information Industry Seminars 2009
    • Water Information Industry Seminars 2007-08
    • Webinars
• About
  • Water information role
  • Water contacts
  • Publications
  • Video
  • Consultation
  • Work in progress
  • Water research
    • Water Information Research and Development Alliance
    • Australian Research Council Linkage Projects

Australian Water Information Dictionary

third quartile

The third quartile of a set of numbers is the value in which 75% of the numbers are below it and 25% of the numbers are above it when the numbers are arranged in ascending (increasing) order.

Synonym: 75% quartile

This definition applies to:

• Glossary for Water forecasts: Seasonal streamflow
• Glossary for Water forecasts: Dynamic streamflow

Related links

• Rain, River & Storage Data

Water links

• Water Act 2007
• Water Regulations 2008
• Water market information
• Water Dictionary
• Publications
• News
• Contact Us