| Date: | 2021-08-21 |
| Time: | 1543 |
| Geyser: | Fan and Mortar Regular Cycle |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-08-21 16:15:24 |
| Time Updated: | 2021-08-21 16:23:43 |
| Time Uploaded: | 2021-08-21 16:23:43 |
| Entrant: | Polly |
| Observer: | |
| Submitted to: | GeyserTimes for iOS |
| Comments: | R on 1543 G 1544 1553 R slowed, almost off 1554 R/H on again 1555 G back 1558 A 1600 H thick 2’ C Slowed 1606 1608 FP 1609 UM surges begin Low to medium surges peak at 1611-2, then start to wane 1616 R off |