data excel to wavelet

I have a statistical series of precipitation and I want to analyze by the method of wavelet

good I import these data in the matlab and then the graph of these data

now how to generate the function wavelet or how can I enter these data in the wavelet tollbox

[Walter Roberson]

https://www.mathworks.com/help/wavelet/getting-started-with-wavelet-toolbox.html

To read the data from Excel, the available tools are readtable() [recommended] and xlsread() [less recommended now.] (If you happen to be on MS Windows, you might also be able to directly use ActiveX or .NET to communicate with Excel, but you would not typically use those.)