the method selectbyname allows you to extract the data of a specific state.
Alternatively, you can use the attached function to generate a percentile plot for one of more states of your simData array:
or starting R2021a
For Alpha=0.05, the plot will display the median as well as a an area between the 2.5 and 97.5 percentiles.
Disclaimer: This function is a helper function I wrote for my personal use. It has not been thoroughly tested and is provided as is.
I hope this helps.