| Geyser | 1989-01-30 |
|---|---|
| Deep Blue | 0000-2359 |
| Drain | 0000-2359 |
| Fire Hose | 0000-2359 |
| Fountain | 1730 |
| Honeycomb | 0000-2359 |
| Kaleidoscope | 0000-2359 |
| Other Geyser | 0000-2359, 0000-2359 |
| Values for Old Faithful Area | 1989-01-30 |
|---|---|
| Astronomical Twilight Begin | 06:03 |
| Nautical Twilight Begin | 06:37 |
| Civil Twilight Begin | 07:12 |
| Sunrise | 07:43 |
| Sunset | 17:29 |
| Civil Twilight End | 18:00 |
| Nautical Twilight End | 18:35 |
| Astronomical Twilight End | 19:09 |
| Moon Illumination | 47.9% |