| Geyser | 1964-10-24 |
|---|---|
| Arsenic | 1800 |
| Blue | 1530 |
| Constant | 1800 |
| Echinus | 1002, 1145, 1319, 1455 |
| Fireball | 1800 |
| Palpitator Spring | 1800 |
| Pinwheel | 1800 |
| Steamboat | 1008-1450 |
| Values for Old Faithful Area | 1964-10-24 |
|---|---|
| Astronomical Twilight Begin | 05:13 |
| Nautical Twilight Begin | 05:46 |
| Civil Twilight Begin | 06:20 |
| Sunrise | 06:50 |
| Sunset | 17:24 |
| Civil Twilight End | 17:54 |
| Nautical Twilight End | 18:28 |
| Astronomical Twilight End | 19:01 |
| Moon Illumination | 87.33% |