API Overview

Changelog (Algorithms & Data)

This document describes changes related to algorithms and data.

The version numbers below are for reference only. We use version numbers 9.x because the Meteonorm API (accompanied by the web app) is the successor of the Meteonorm 8 desktop app.

v9.0.6 (2026-03-08)

Fixed

• Fix bug in the calculation of PV production with shading.

v9.0.5 (2026-03-05)

Fixed

• Apply altitude-based temperature correction to account for elevation differences between data source and target location.

v9.0.4 (2026-02-23)

Fixed

• Fix bug in aggregation of hourly solar azimuth.

v9.0.3 (2026-02-12)

Fixed

• Enhance data quality by refining the process of collecting, harmonizing, and merging weather data from diverse sources into a unified time series.

v9.0.2 (2026-01-21)

Fixed

• Update the spatial coverage of the MSG HRV satellite.

v9.0.1 (2026-01-15)

Fixed

• Fix hourly temperature and wind speed normalization to monthly averages.
• Improve Global Horizontal Irradiance (GHI) validation logic to accept a wider range of imported monthly values.

v9.0.0 (2025-11-05)

Initial release.