| Geyser | 1988-06-04 |
|---|---|
| Echinus | 1143, 1335, 1430, 1515 |
| Fireball | 1200 |
| Pearl | 1200 |
| Veteran | 1200 |
| Vixen | 1200 |
| Values for Old Faithful Area | 1988-06-04 |
|---|---|
| Astronomical Twilight Begin | 03:17 |
| Nautical Twilight Begin | 04:16 |
| Civil Twilight Begin | 05:03 |
| Sunrise | 05:39 |
| Sunset | 21:03 |
| Civil Twilight End | 21:39 |
| Nautical Twilight End | 22:26 |
| Astronomical Twilight End | 23:26 |
| Moon Illumination | 82.17% |