| Geyser | 1984-09-05 |
|---|---|
| Blue | 1500 |
| Echinus | 0734:45, 0833:54, 0938:11, 1034, 1109, 1142:31, 1245:42 |
| Guardian | 1440 |
| Values for Old Faithful Area | 1984-09-05 |
|---|---|
| Astronomical Twilight Begin | 05:08 |
| Nautical Twilight Begin | 05:46 |
| Civil Twilight Begin | 06:21 |
| Sunrise | 06:51 |
| Sunset | 19:52 |
| Civil Twilight End | 20:21 |
| Nautical Twilight End | 20:57 |
| Astronomical Twilight End | 21:34 |
| Moon Illumination | 77.66% |