Winter Park Cumulative Snowfall Tracker

Live Site (GitHub Pages)

Static HTML/CSS/JS app for exploring cumulative seasonal snowfall in Winter Park, Colorado, using NOAA station data.

Features

• Interactive cumulative snowfall chart
• Year range slider for comparing seasons
• Mobile-friendly layout
• NOAA-based dataset (data/snowfall-data.json)

Project Structure

• index.html: app entrypoint
• css/styles.css: styles
• js/: frontend modules
• data/: source and generated snowfall data
• scripts/: data fetch and processing scripts
• test/: Node test suite

Requirements

• Node.js 18+
• npm
• Optional: Python 3 (for quick local static server)

Quick Start

npm install
npm test
python3 -m http.server 8000

Then open: http://127.0.0.1:8000

Data Commands

Refresh NOAA data only if the current JSON is older than 24 hours:

npm run update-data

Generate simulated SNOTEL-style historical data:

npm run generate-data

Convert existing NOAA CSV to app JSON:

node scripts/process-noaa-data.js

Testing

Run all tests:

npm test

Watch mode:

npm run test:watch

Deployment (GitHub Pages)

1. Run npm test.
2. Optionally run npm run update-data.
3. Commit and push to main.
4. In GitHub repository settings, set Pages to deploy from main and / (root).

Data Notes

• Canonical app data file: data/snowfall-data.json
• NOAA source CSV: data/USC00059175data.csv
• Station: USC00059175 (Winter Park, 9,100 ft)