| Geyser | 1984-07-29 |
|---|---|
| Echinus | 0807:56, 0911:15, 1012:03, 1109:30, 1204:06, 1304:54, 1403:24, 1559:39, 1704:14, 1758:35 |
| Guardian | 1200 |
| Values for Old Faithful Area | 1984-07-29 |
|---|---|
| Astronomical Twilight Begin | 04:02 |
| Nautical Twilight Begin | 04:51 |
| Civil Twilight Begin | 05:33 |
| Sunrise | 06:07 |
| Sunset | 20:52 |
| Civil Twilight End | 21:25 |
| Nautical Twilight End | 22:07 |
| Astronomical Twilight End | 22:57 |
| Moon Illumination | 0.84% |