This page explains what data Snow Day Calculation stores in your browser, why it is stored, and how you can manage or remove it. We do not use tracking cookies or advertising cookies. This site relies on browser storage only to deliver core functionality and improve performance.
Do We Use Cookies?
Snow Day Calculation does not set traditional HTTP cookies for tracking, advertising, or session management. Instead, we use standard browser storage APIs — specifically local storage and a service worker cache — to improve performance and enable offline functionality. These are stored entirely within your own browser and are not transmitted to our servers.
What Is Stored and Why
1. Weather Data Cache (Local Storage)
When you look up a location, the weather forecast result is temporarily cached in your browser's local storage. This cache prevents the same API call from being repeated unnecessarily if you re-visit the same location within a short window (typically 10 minutes for current weather, up to 60 minutes for geocoding data). The cache stores only forecast data — never personal information, location history, or identifying details.
| What is stored | Purpose | Expires |
|---|---|---|
| Weather forecast response (JSON) | Reduces redundant API requests; faster repeated lookups | ~10 minutes |
| Geocoding result (JSON) | Maps typed location names to coordinates without re-querying | ~60 minutes |
2. Service Worker Cache
This site uses a service worker to cache static assets (HTML, CSS, JavaScript files) and enable faster repeat visits and offline functionality. Cached assets include:
- The main page HTML, stylesheet, and scripts
- Blog pages pre-fetched for offline reading
- Fonts served from Google Fonts CDN
The service worker cache stores only static site files — no user data, no location, no personal information. The cache version is updated whenever we deploy a new version of the site.
3. Browser Fonts (Google Fonts)
This site loads fonts from Google Fonts (fonts.googleapis.com and fonts.gstatic.com). Google may set its own cookies when serving these fonts. This is a standard CDN delivery mechanism. You can review Google's privacy policy for information on how font requests are handled.
4. Analytics (if applicable)
We may use a privacy-respecting analytics service that collects anonymous, aggregated data on page views and feature usage. If used, it does not set persistent tracking cookies and does not collect personally identifiable information. The analytics data helps us understand how the tool is used so we can improve it. We will update this section when a specific analytics service is in use.
What We Do Not Store
- Your name, email address, or any personal identifiers
- Your location after your session ends
- Your search history across sessions
- Any cross-site tracking identifiers
- Advertising or marketing cookies of any kind
Your Choices
You are in control of your browser storage. You can:
- Clear local storage — Open your browser's developer tools (F12), go to Application → Local Storage, and delete the entries for this site.
- Clear the service worker cache — In developer tools, go to Application → Cache Storage, and delete the cache entries for this site. You can also unregister the service worker from Application → Service Workers.
- Clear all site data — Most browsers have a "Clear site data" option in Settings → Privacy → Cookies and site data. This removes all storage and caches for this site.
- Block local storage — You can configure your browser to block local storage for specific sites. Note this may affect the performance of the weather calculator (lookups will be slower with no cache).
Third-Party Services
When you use the calculator, your queried location is sent to the Open-Meteo API to retrieve forecast data. Open-Meteo may collect request logs on their end. Please refer to Open-Meteo's terms and privacy policy for details on their data handling.
Changes to This Policy
We may update this policy as the site evolves. The "Last updated" date at the top of this page reflects when it was last revised. We encourage you to review it periodically if you have concerns about browser storage.
Contact
For questions about this policy, use our Contact page.