I do actually have a copy of my water profile here it is:
Calcium ppm 139 to 156
Magnesium ppm 3 to 10
Total Dissolved Solids ppm 197 to 265
Total Hardness as CaCO3 ppm 90 to 164
Somebody made a booboo on your water analysis.
Total hardness is the sum of all of the divalent cation concentrations - expressed as calcium carbonate (CaCO3). Divalent cations are calcium and magnesium, all other divalent cations exist in concentrations low enough to be considered insignificant.
It is not possible for total hardness expressed as CaCO3 to be less than the sum of the calcium and magnesium ion concentrations..
To determine total hardness:
the calcium ions are converted to CaCO3 by dividing the calcium ion concentration by 0.4008
the magnesium ions are converted to CaCO3 by dividing the magnesium ion concentration by 0.243
calcium = (139 to 156) / 0.4008 = 347 to 389 ppm as CaCO3
magnesium = (3 to 10) / 0.243 = 12 to 41 ppm as CaCO3
So total hardness = 359 to 430 ppm as CaCO3 = extremely hard water.
Even if the calcium and magnesium concentrations given in the analysis above are expressed as CaCO3, (not as the ions as stated) the total hardness range would be (139 + 3) to (156 + 10) or
142 to 166 ppm
not 90 to 164 ppm
Also, the sum of the ion concentrations is greater than the total disolved solids concentration given.
I light of these mistakes I would take the analysis with a grain of salt (pun intended).