| Geyser | 1964-06-26 |
|---|---|
| Arsenic | 1745 ie |
| Blue | 1745 ie |
| Echinus | 0908, 1035, 1326, 1448, 1620 |
| Fireball | 1745 ie |
| Ledge | 2105 |
| Valentine | 0715, 1745 |
| Values for Old Faithful Area | 1964-06-26 |
|---|---|
| Astronomical Twilight Begin | 02:12 |
| Nautical Twilight Begin | 03:14 |
| Civil Twilight Begin | 04:03 |
| Sunrise | 04:40 |
| Sunset | 20:12 |
| Civil Twilight End | 20:48 |
| Nautical Twilight End | 21:37 |
| Astronomical Twilight End | 22:40 |
| Moon Illumination | 98.58% |