| Geyser | 1996-12-09 |
|---|---|
| Old Faithful | 1227 short, 1325, 1640 long |
| Plume | 1224, 1314, 1340 |
| Vixen | 1800 |
| Values for Old Faithful Area | 1996-12-09 |
|---|---|
| Astronomical Twilight Begin | 06:03 |
| Nautical Twilight Begin | 06:38 |
| Civil Twilight Begin | 07:15 |
| Sunrise | 07:48 |
| Sunset | 16:43 |
| Civil Twilight End | 17:16 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 2.63% |