Your thermometer might say 18° while the Project Planner says 16°. That doesn't mean either one is wrong: weather services look at a wider area than your backyard, and they keep refining recent days. Below are a few ways to use numbers you trust.
Why It's Different
- It's from a different area. Weather services work out the weather over an area of several kilometers, or they use stations which might be in a different part of your city. Hills, water, shade, or a sunny spot all change what a thermometer reads.
- The newest days aren't settled. Services can take up to a week to finish the latest days, so they can change after you first look.
- Past days get corrected. Sometimes a service improves its data, and older days change a little.
Try Another Weather Source
- Press Source in the toolbar above the weather.
- Choose Meteostat for measurements from real weather stations near your place, or another Open-Meteo model.
- Press Save and Search, and compare.
See what each source and model is in Weather Sources.
Fix a Few Days
Edit Weather Data shows every day's weather in a grid, like a spreadsheet. Nothing in your project changes until you press Apply.
Change one day
- In the table under the chart, press the value you want to change. Edit Weather Data opens on it.
- Type your reading and press Enter. The new value shows over the old one, struck through, with the difference beside it.
- Change any other days the same way: Enter, Tab and the arrow keys move between them.
- Press Apply.
Change several days at once
If your thermometer reads warmer than the weather service, say by about 2°, you can move a run of days by the same amount.
- Select the days: drag down the column, or press the first one and Shift-press the last.
- Above the grid, type the difference in Add (a minus number, like -2, takes away) and press Add. Or type one value in the box beside the selection and press Set to give every selected day that value.
- Press Apply.
More ways to edit
- Paste from a spreadsheet: copy the cells there and paste them on the first cell they go in. If each row you copy starts with a date, it goes to that day.
- Missing days: when some values are missing, Find Missing goes to the next one, and Fill In Missing fills them in from the days on either side.
- Only some days: Filters shows just the days you want, such as the missing ones or a few weeks.
- Undoing changes: the arrows at the top of the editor undo and redo, and Revert puts the selected values back as they were. Once you've applied, Undo at the top of the page takes back all of it in one step.
You can also open the editor with Edit above the weather. Every part of it is in Edit the Weather.
Use Your Own Readings for Every Day
If you've kept a log from your own thermometer or a nearby weather station, you can bring it all in at once. Download your project's weather as a CSV file, put your readings in place of the ones there, and import it. The steps are in Import Your Own Weather.
Keep the Weather From Changing
A saved project keeps its weather. Opening it never looks the weather up again, and its saved days only change if you use Check for Updates and choose the new values. A gallery page keeps the weather it was published with, too.
A link doesn't include the weather, though. Whoever opens it gets the weather looked up again.
The easiest way to share your weather is through your project's gallery page. Open a Copy there opens the project with the weather it was published with.
To send someone your weather exactly as it is, without a gallery page:
- Wait until your last day is about 6 days ago with Open-Meteo, or 8 with Meteostat, so it's settled.
- Press Download at the top of the Weather step, then Download CSV, and send them the file with the link.
- They press Edit, then Import File, choose that file (without changing it), and press Apply.
Their weather source then shows Custom.
If Something Goes Wrong
Pressing a value does nothing
With Grouping set to Weekly, the table shows weeks, which can't be changed. Press Edit above the weather instead: Edit Weather Data always shows days.
Apply is greyed out
Nothing has changed yet. A value typed the same as it was isn't a change.
Some rows were skipped
The import lists the rows it couldn't read. Usually it's a date in another format or a heading that was changed. Check them against CSV File Requirements, and import again.
I can't change the place or dates any more
They're locked so your weather isn't replaced by accident. Press Get Weather Data, then Reload Weather Data, to go back to the weather source (your changes are lost), or start a new project.
Someone opened my link and saw other weather
A link doesn't carry edited weather: it's looked up again. Send them your CSV file to import.
It still looks wrong
Press Weather Data Feedback under the table to tell me about it.
More Detail
- Weather: Where the weather comes from, and how to view, group, edit and import it.
- Download: The PDF, the weather spreadsheet (CSV), and the preview image.
- Data Sources & Credits: Where the weather, places and yarn colors come from.