It's preatty hot here. Usually 90 to 95.

http://www.weather.com/outlook/travel/businesstraveler/tenday/COXX0008?from=36hr_fcst10DayLink_business

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Juan
1995 E320 Sedan
2008 Ford Escape
RC Helicopter

I would start by cleaning the condenser and radiator fins w/soap and a garden hose...may even try and seperate them a little at the top cuz lots of debries gets in between the two.

But, with temps like your climate, I would modify the CTS by bridging that coolant temp sensor [ the one you unplugged for high fan] to get the high fan to come on earlier .
It is a common mod we use. [ Archieves.]

You may also want to mod the a/c low fans to high, but I would try the other first.

And lighten up on the a/f ratio mixture for coolant [ more H20, less A/F..]

Your ac fan operation is normal and indicates a good charge of refrigerant . Your viscous fan may be questionable.
Do you have the same problem if you do not use the ac ??

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A Dalton