| Date: | 2021-12-30 |
| Time: | 0652 E |
| Geyser: | Castle |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | Major |
| Duration: | |
| Time Entered: | 2021-12-31 11:05:57 |
| Time Uploaded: | 2021-12-31 11:05:57 |
| Entrant: | aferrara |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | Listed Major based on following interval. |