WeatherLink plans & your data
How Pro Weather works on each Davis WeatherLink plan, and how far back your history can be imported.
Pro Weather works on every WeatherLink plan, including the free Basic plan. All it needs is a WeatherLink v2 API key, which every plan can generate. See Connect your WeatherLink station.
Two different Pro plans
WeatherLink Pro and Pro+ are Davis subscriptions, paid to Davis. Pro Weather Pro is this service's plan, paid to us. They are independent: a free WeatherLink Basic station can run on Pro Weather Pro.
What each plan allows
| WeatherLink plan | History available to apps | New reading on your site |
|---|---|---|
| Basic (free) | No, current conditions only | about every 15 minutes |
| Pro (paid) | Yes, the full archive | about every 5 minutes |
| Pro+ (paid) | Yes, the full archive | about every minute |
Davis sets these plans and can change them. Check weatherlink.com for current details.
How often your site updates
Your WeatherLink plan decides how often a new reading exists. Pro Weather checks WeatherLink every minute and an open page checks Pro Weather every minute, so a new reading shows up within a minute or two of WeatherLink publishing it. It cannot appear sooner than WeatherLink makes it available.
Your Pro Weather plan does not change this. The trial and Pro Weather Pro update exactly as fast; only a faster WeatherLink plan does.
On WeatherLink Basic, expect this:
- The numbers change about every 15 minutes, occasionally 16 or 17 when WeatherLink publishes late.
- Updated ... ago is the age of the reading itself, measured from when your station took it. WeatherLink publishes a Basic reading a few minutes after that, so a fresh one can already say "3 minutes ago" when it appears.
- Reloading the page does not bring a newer reading, because there is none yet. A page left open updates on its own.
Stations that upload directly (Ecowitt, Tempest, weewx and other local hardware) are not limited by a WeatherLink plan: each upload shows up within about a minute.
For a screen that shows the weather all day, use your site's TV display and keep that tab in front: browsers pause background tabs, and a paused tab catches up as soon as it is shown again.
On WeatherLink Pro or Pro+
Choose these if you want your past history from day one, or finer resolution.
- Your past data is imported, back as far as your WeatherLink records go, so charts, records and the almanac start out full.
- New readings reach your public site within about a minute of WeatherLink publishing them: every 5 minutes on Pro, every minute on Pro+. Charts and history follow every 5 minutes.
- Your archive keeps your plan's full resolution, down to every minute on Pro+.
On WeatherLink Basic
Enough for a complete, live site; history builds up from the day you connect.
- Past data cannot be imported: Basic does not share history with apps.
- Live conditions update about every 15 minutes, the Basic record interval. See How often your site updates.
- To bring older readings in anyway, import a weewx, CumulusMX or CSV history file.
The History card on your site's Overview shows which of the two is happening, and whether an import is still running. See Where your archive stands.
Your archive and your quota
Every reading is stored in Pro Weather's own database, whatever your WeatherLink plan, and kept until you delete the site. You can export it as CSV at any time.
Pro Weather polls each station about 70 times an hour (a Basic station less often), never once per visitor, well inside the 1,000 calls per hour WeatherLink allows.