Table 3:Main meteorological stations in the republic of macedonia.
| Region | Meteorological Station | Average annual temperature (℃) | Optimal fluorides concentration (ppm) |
|---|---|---|---|
| Eastern | Berovo | 15.4 | 1.0 |
| Stip | 18.3 | 0.9 | |
| Vardar | Demir Kapija | 19.3 | 0.9 |
| South-eastern | Gevgelija | 20.6 | 0.9 |
| Strumica | 19.0 | 0.9 |
Source: web site of the Hydro meteorological Service www.meteo.gov.mk [27].