This is similar to taking the market's temperature by looking at magazine headlines, telemarketing calls, guru sales programs, and the like. 

I can trim them back but I also want the shade since temperatures  can go up to the 100s easy especially during summertime.

Either the hot water heater is on the verge of failing or someone turned down the temperature at which the gas or electricity kicks in to reheat the water.

The concrete slab will move and shift over time - concrete actually expands and contracts with temperature while porcelain and ceramic tile do not. 

I have (for our system) water and antifreeze temperature logger data collected every hour for the past several years.

The temperature in the Portland area in my opinion is that many people are trying to adjust but validate.

The hot water temperature was 140 degrees F at the time of testing.

Fall & Spring HVAC Service Target Date: April and October This service can aid in early detection of costly problems and save the cost of expensive, emergency service.A/C Service Includes: Check condenser coil, adjust operating pressures, monitor safety controls and starter capabilities, clean or replace filter, adjust blower components, calibrate thermostat, measure for proper temperature differences, clean condensate drain, tighten electrical connections, measure voltage and amperage on motors, lubricate moving parts.

Another solution may be to vent the attic space, if it is getting to hot up there and cool downstairs, that will cause humidity at the ceiling and  while your at it check the insulation in the attic, make sure there is enough to keep the temperature difference between the cooled space and the hot attic. hope one of these helps you.

You can add temperature and moisture sensors too.