| WOF | Weir or Flume measurement of flow rate x time |
| OTH | Visual estimate (2025) |
| OTH | Visual estimate by ODFW (2023) |
| OTH | Visual estimate by ODFW, measurement not possible due to location and sub-irrigation. (2021) |
| OTH | Visual Estimate by ODFW, measurement not possible due to season, location, and sub-irrigation (2019) |
| OTH | Visual estimate by ODFW, measuremment not possible due to location, and sub-irrigation (2020) |
| OTH | Visual estimate made by ODFW (2018) |
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