| Date: | 2018-06-04 |
| Time: | 2014:40 |
| Geyser: | Cliff |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 17m40s |
| Standardized Duration: | 17m 40s |
| Time Entered: | 2018-06-08 10:43:47 |
| Time Uploaded: | 2019-05-13 21:39:47 |
| Entrant: | Siegmund |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | overflow begin 2017:49. 2h10m is a closed interval. Many very powerful minors from 1900 onward filling the pool halfway then suddenly dying 50-60 seconds after they started. Like Cliff was somehow "stuck" for an hour before finally erupting. |