| Date: | 2021-09-21 |
| Time: | 0830 |
| Geyser: | Great Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-09-21 08:31:50 |
| Time Updated: | 2021-09-21 09:48:27 |
| Time Uploaded: | 2021-09-21 10:37:01 |
| Entrant: | Art |
| Observer: | Larissa, Art, “others” |
| Submitted to: | GeyserTimes for iOS |
| Comments: | 0706 - Start of overflow per others 0830 - P=0 0840 - End of 1st 0845-0851 - 2nd weak 0855-0900 - 3rd weak 0906-0911 - 4th weak |