On Sun, Jan 12, 2020 at 05:38 PM, Fernando Nino Sr wrote:

// -----------------------------------------------------------------------------------------------------------------
// gets sky IR temperature in deg. C

 return (invalid) if not implemented or if there's an error
 double weatherSkyTemp() {
   if (!skyTempGood) return invalid;
   return invalid;
}

I didn't try to compile but the bolded line above is supposed to be a comment...

...
// return (invalid) if not implemented or if there's an error
 double weatherSkyTemp() {
   if (!skyTempGood) return invalid;
   return invalid;
}
...