| Geyser | 1996-12-19 |
|---|---|
| Daisy | 1458 ie |
| Fountain | 1413 ie |
| Grand | 1618 ie |
| Grotto | 1618 ie |
| Little Cub | 1446 ie, 1651 ie |
| Old Faithful | 1457 short, 1549 long |
| Plate | 1443 ie |
| Plume | 1458, 1524, 1549, 1615 |
| Values for Old Faithful Area | 1996-12-19 |
|---|---|
| Astronomical Twilight Begin | 06:10 |
| Nautical Twilight Begin | 06:45 |
| Civil Twilight Begin | 07:22 |
| Sunrise | 07:55 |
| Sunset | 16:45 |
| Civil Twilight End | 17:19 |
| Nautical Twilight End | 17:56 |
| Astronomical Twilight End | 18:31 |
| Moon Illumination | 70.24% |