| Date: | 2016-05-21 |
| Time: | 1849 |
| Geyser: | Grotto Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 24m |
| Standardized Duration: | 24m |
| Time Entered: | 2016-05-21 18:51:20 |
| Time Updated: | 2016-05-21 19:14:08 |
| Time Uploaded: | 2019-05-13 21:48:03 |
| Entrant: | WillBoekel |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | very strong |