| Date: | 2021-09-18 |
| Time: | 1508:59 |
| Geyser: | Old Faithful |
| Webcam: | Yes |
| Initial: | No |
| Long/Short: | Long |
| Duration: | 4m26s |
| Standardized Duration: | 4m 26s |
| Time Entered: | 2021-09-18 15:20:52 |
| Time Uploaded: | 2021-09-18 15:20:53 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | had a particularly heavy huff with water 47s after main portion had finished (excluding spray), nudging duration to 4m26s |