| Date: | 2021-07-27 |
| Time: | 0958 |
| Geyser: | Crater Spring |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 1m 51s |
| Standardized Duration: | 1m 51s |
| Time Entered: | 2021-07-27 10:03:22 |
| Time Updated: | 2021-08-01 06:39:39 |
| Time Uploaded: | 2021-08-01 06:39:40 |
| Entrant: | cb |
| Observer: | cb |
| Submitted to: | GeyserTimes for Android |
| Comments: | weaker play today than previous 2 days. Alcove to 1'. North pool vigorous, roiling, angry bursts to max. 4-6'. Longer preplay boil in the North pool. Pool color is still murky gray color. |