| Date: | 2021-07-23 |
| Time: | 2024 |
| Geyser: | Grotto Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 14m |
| Standardized Duration: | 14m |
| Time Entered: | 2021-07-23 21:10:51 |
| Time Updated: | 2021-08-05 16:33:58 |
| Time Uploaded: | 2021-08-05 16:33:59 |
| Entrant: | BrianR |
| Observer: | |
| Submitted to: | GeyserTimes for iOS |
| Comments: | First heard water boiling: 15:04 Visible water/boiling: 16:55 17:05 17:24 17:47 17:59-18:00 18:02-19:47 19:53-19:58 20:13-20:19 20:21-20:24 Pressure Pool up: 17:42-17:43 17:57-17:59 18:02-18:27 18:29-20:24 |