| Date: | 2021-05-29 |
| Time: | 1116 |
| Geyser: | Middle Sister |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 1 burst |
| Time Entered: | 2021-05-29 17:23:25 |
| Time Uploaded: | 2021-05-29 17:23:25 |
| Entrant: | Barbara Lasseter |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | 2-3 feet high. I may have missed the prior eruption |