The only thing that can be done to ensure shade in the squares, is to put it on the annual survey.
I personally think whoever jurisdiction this falls under, will never approve the necessary funds, to have this done. IMHO
I think most people are ready to turn in at 9 PM, as most people are up early in the morning and start playing early.
I remember taking a nap before going out to party, when I was much younger and had more fire in the belly.
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"It doesn't cost "nuttin", to be nice". 
MOM
I just want to do the right thing! Uncle Joe, (my hero).