Hydrology FRG Growth
From CSDMS
| Year | Total members of the Hydrology Focus Research Group | Growth membership/year |
| 2023 | 941 | [[{{{Members2023}}}|65 and counting!]] |
| 2022 | 876 | [[{{{Members2022}}}|48]] |
| 2021 | 828 | [[{{{Members2021}}}|57]] |
| 2020 | 771 | [[{{{Members2020}}}|67]] |
| 2019 | 704 | [[{{{Members2019}}}| 37]] |
| 2018 | 667 | [[{{{Members2018}}}| 55]] |
| 2017 | 612 | [[{{{Members2017}}}| 56 ]] |
| 2016 | 556 | [[{{{Members2016}}}| 50]] |
| 2015 | 506 | [[{{{Members2015}}}| 67]] |
| 2014 | 439 | [[{{{Members2014}}}| 45]] |
| 2013 | 394 | [[{{{Members2013}}}| 63]] |
| 2012 | 331 | [[{{{Members2012}}}| 98]] |
| 2011 | 233 | [[{{{Members2011}}}| 90]] |
| 2010 | 143 | [[{{{Members2010}}}| 63]] |
| 2009 | 80 | -- |
