Dennis P. Lettenmaier won the Jule G. Charney Award for Charney Award recipient in 2018. Dennis P. Lettenmaier won the Robert E. Horton Medal for Horton Medal recipient in 2018.
| Year | Contest | Category | For | Sources |
|---|---|---|---|---|
| 2018 | Jule G. Charney Award | Charney Award recipient | 1 · 2 | |
| 2018 | Robert E. Horton Medal | Horton Medal recipient | 1 · 2 |