# Weather History Data Project (WHD Project)

> Explore and analyze historical weather data for world cities with populations over 25,000.

The Weather History Data Project provides free and premium access to historical weather data including temperature, precipitation, and climate trends for cities worldwide.

## Features

- Historical weather data for 25,000+ cities globally
- Interactive temperature and precipitation charts
- CSV data export for offline analysis
- Climate trend analysis and visualization
- Aurora borealis detection and alert system (Slovakia region)
- Statistical weather overviews

## Public Pages

- [Home](https://whdproject.com/): Landing page with project overview
- [Weather Data Explorer](https://whdproject.com/weather-info): Browse and search historical weather data by city
- [Pricing Plans](https://whdproject.com/pricing-plans): Free and premium plan details
- [Contact](https://whdproject.com/contact): Contact form for inquiries

## API

The WHD Project offers a REST API for programmatic access to weather data. API keys are available through premium plans.

- Base URL: https://api.whdproject.com/api/
- Authentication: API key required for premium endpoints
- Data format: JSON

## Technology

- Frontend: Angular 16 single-page application
- Backend: Python FastAPI REST API
- Data: Historical weather records sourced from public meteorological databases
- Aurora Detection: CLIP-based ML classification of sky camera imagery

## Contact

- Website: https://whdproject.com
- Email: info@whdproject.com