The [*Where Is Webb*](https://www.jwst.nasa.gov/content/webbLaunch/whereIsWebb.html) page shows an empty temperature tab:

[![Enter image description here](https://i.stack.imgur.com/LjrtW.png)](https://i.stack.imgur.com/LjrtW.png)

---

Reading the *About this Page*, it is delayed by 1-2 days after the launch:

> 
> **NOTE**:   
> 
> Temperature data will begin updating 1-2 days after launch.   
> 
> Displays will read "---" until that point.   
> 
> [Screenshot](https://i.stack.imgur.com/L5eyA.png)
> 
> 
> 

---

Why won't they show the temperatures right away?