| Station name | KOSTAJNICA |
| Station ID | 3217 |
| Station type | Real time data aquisition |
| River | UNA |
| Basin | BLACK SEA |
| District | Sava basin |
| Established | 01/01/1878 |
| End of operation | -- |
| Zero Datum (AMSL m) | 103,196 |
| Distance from the river mouth (km) | 42,100 |
| Distance from the river source (km) | -- |
| Catchment area (km2) | 8876,000 |
| Measurement type | Info |
| WATER LEVEL | Extremes periods: Years: 1900. - 1923. Zero datum: --- Minimum: 3. 7. 1907. -15 cm Maximum: 4. 5. 1911. 500 cm Years: 1924. - 1938. Zero datum: 103,430 AMSL Minimum: 10. 9. 1928. 30 cm Maximum: 16. 11. 1925. 500 cm Years: 1939. - 2001. Zero datum: 103,465 AMSL Minimum: 3. 1. 1999. 8 cm Maximum: 10. 10. 1955. 510 cm Years: 2002. - 2025. Zero datum: 103,196 AMSL Minimum: 27. 9. 2009. 15 cm Maximum: 18. 5. 2014. 514 cm Years in database: 1900-1912 1923-1991 1997-2025 |
| DISCHARGE | Extremes periods: Years: 1926. - 2025. Minimum: 17. 8. 1990. 25,10 m3/s Maximum: 18. 5. 2014. 2005 m3/s Years in database: 1926-1991 2002-2025 |
| TEMPERATURE | Extremes periods: Years: 1968. - 1991. Minimum: 28. 12. 1970. 0,0 °C Maximum: 1. 8. 1983. 27,0 °C Years in database: 1968-1991 |
| SUSPENDED SEDIMENT CONCENTRATION | Extremes periods: Years: 1967. - 1991. Minimum: 19. 2. 1982. 0,050 g/m3 Maximum: 16. 6. 1970. 1656 g/m3 Years in database: 1967-1991 |
| LOAD TRANSPORT | Extremes periods: Years: 1967. - 1991. Minimum: 19. 2. 1982. 0,353 t Maximum: 19. 6. 1970. 47423 t Years in database: 1967-1991 |
| DISCHARGE MEASUREMENTS | Measurements: 226 |
| CROSS SECTIONS | Measurements: 8 |