| Geyser | 1998-12-09 |
|---|---|
| Beehive | 1108 ie |
| Little Cub | 0955 ie |
| Old Faithful | 0913, 0958 |
| Values for Old Faithful Area | 1998-12-09 |
|---|---|
| Astronomical Twilight Begin | 06:02 |
| Nautical Twilight Begin | 06:38 |
| Civil Twilight Begin | 07:14 |
| Sunrise | 07:47 |
| Sunset | 16:43 |
| Civil Twilight End | 17:16 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 64.46% |