| Geyser | 1997-12-09 |
|---|---|
| Aurum | 1126 |
| Castle | 0110 E, 1255 E |
| Depression | 1107 ie |
| Great Fountain | 1435 ie |
| Little Cub | 1107 ie |
| Plate | 1109 |
| Values for Old Faithful Area | 1997-12-09 |
|---|---|
| Astronomical Twilight Begin | 06:03 |
| Nautical Twilight Begin | 06:38 |
| Civil Twilight Begin | 07:14 |
| Sunrise | 07:48 |
| Sunset | 16:43 |
| Civil Twilight End | 17:16 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 72.56% |