| Date: | 2018-12-23 |
| Time: | 0621 A |
| Geyser: | Old Faithful |
| Webcam: | No |
| Initial: | No |
| Long/Short: | Long |
| Duration: | |
| Time Entered: | 2018-12-23 12:15:56 |
| Time Updated: | 2018-12-23 15:32:17 |
| Time Uploaded: | 2018-12-23 15:32:17 |
| Entrant: | STS |
| Observer: | |
| Submitted to: | GeyserTimes for iOS |
| Comments: | Probable eruption around this time (subtracted 97 minutes from next eruption) -this was while the live cam was offline and was too dark to see on static cam. |