Rainfall

Daily Rainfall Statistics — SAWS & international stations

Explore and download historical daily rainfall records for South African stations and selected international sources.

What is Daily Rainfall Statistics?

Explore and download historical daily rainfall records for South African stations and selected international sources.

When would you use this?

  • Calibration checks against regional DDF models.
  • Quick station statistics for due diligence memos.

How Delta Hydro Studio handles it

  • Built for engineers who need defensible data provenance.
  • Pairs with frequency analysis and design rainfall modules.

How to use it

  1. 1

    Open the tool inside Delta Hydro Studio and create or select a project.

  2. 2

    Follow the guided inputs — maps, tables, and defaults reduce manual data entry.

  3. 3

    Run the calculation and review plots, diagnostics, and intermediate checks.

  4. 4

    Export Word, Excel, or GIS outputs for your report appendices.

Methodology & references

Full equations, assumptions, and literature references appear inside the in-app methodology panels for this tool, aligned with South African guidance (SANRAL TRH, SANCOLD, DWS technical manuals) and international references (USDA NRCS, FHWA HDS) where applicable.

Outputs & exports

Export professional Word and Excel report packs, tabulated results, and GIS-friendly layers depending on the tool. Screenshots in marketing materials are refreshed as the UI evolves — the studio always reflects the latest layout.

Ready to run Daily Rainfall Statistics?

Free tier available — no credit card required to explore.

FAQ

Do I need a desktop GIS install to use Daily Rainfall Statistics? +
No. Delta Hydro Studio runs in the browser — upload inputs, run calculations, and export professional outputs without local GIS installs for most workflows.
Is there a free tier? +
You can start free on the Stream plan with credits to explore tools. Several hydraulic and delineation tools remain accessible without a paid subscription.
Where are my data and calculations stored? +
Projects live in your Delta Hydro Studio workspace. Export Word, Excel, and GIS formats when you need offline archives or submittals.

Related tools

Ship compliant studies faster

Create your workspace on the Stream plan, then open Daily Rainfall Statistics when you are ready to run production calculations.