1
Find the line under the sentence
Under each decision, in small type next to an information mark, is where it came from. A closed period names the regulation, a window names the model and its inputs, and a reading names the device.
2
Tap the source
The regulation opens on gov.uk. A model opens its card on the field with the inputs it used. A device opens its page with the last reading.
3
Check measured or modelled
A number worked out by the app says modelled and names the model. A number read by a device says measured and names the device and the time.
The source under each decision: a regulation, a forecast and a model, or a trigger.
What You See Next
Every line on Today can be traced back this way. If a line says modelled and you would rather have it measured, Is a Probe Worth It Here tells you whether a sensor would change the number.If It Does Not
Related: See the Week’s Decisions, Measured Against Modelled.