| Interval Count | 100 |
| Min | 5m |
| Max | 199d 3h 37m |
| Mean | 4d 16h 48m |
| Median | 22m |
| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
|---|---|---|---|---|
| 20275 | 03 Nov 2021 @ 0824 | --- | MAB | hollow roar w no water - quieted to little noise and less ateam during the day with a few resurging episodes of heavy steam |
| 18886 | 10 Aug 2021 @ 1049 | --- | cb | I've seen Black Growler steaming a few times but no water seen from the vent. |
| 18533 | 19 Jul 2021 @ 1700 | 19 Jul 2021 @ 1900 | nails | Periodically increasing steam output. No water splashing. Ledge is louder when Black Growler is steaming. |