| Date: | 2018-05-15 |
| Time: | 1608 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2018-05-15 16:13:28 |
| Time Updated: | 2018-05-16 08:51:23 |
| Time Uploaded: | 2018-05-16 08:51:24 |
| Entrant: | Polly |
| Observer: | Tom C |
| Submitted to: | Geysertimes.org |
| Comments: | Tom noted that Grotto tried to start 4 times. |