| Date: | 2025-05-21 |
| Time: | 1743 |
| Geyser: | Great Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2025-05-21 17:44:02 |
| Time Updated: | 2025-05-21 18:44:46 |
| Time Uploaded: | 2025-05-21 19:51:40 |
| Entrant: | LynnS |
| Observer: | |
| Submitted to: | GeyserTimes for iOS |
| Comments: | P=2 First series 1745-1754 Second Series 1801-1805 Third Series 1812-1818 Fourth series 1829-1831 Stayed until 1843, no additional energy expenditure. |