| Date: | 2018-05-15 |
| Time: | 1657 |
| Geyser: | Giant Hot Period |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | About 1m 30s |
| Standardized Duration: | ~1m 30s |
| Time Entered: | 2018-05-15 17:08:10 |
| Time Updated: | 2018-05-15 17:16:49 |
| Time Uploaded: | 2019-05-13 21:39:11 |
| Entrant: | Polly |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | SW Vents on with Mastiff almost full. Feather 4’ plus. Some 1’ surging in back and front of Mastiff. Thick vertical water in Giant twice. Bijou very strong at end. It’s pause was about 6 minutes. |